Okay I got a question how do you know which side to subtract from? Lets say i've got 6x+6=15x+30. Should i minus 6x and add to 15x or minus 15x and add to 6x and why?
@Richard133t IT can go either way, but I suggest you do 6x-6x+6=15x-6x+30, because this way your coefficient wont be negative if. My teacher told me to subtract the variable to the number with the largest variable (Sorry if that was confusing, what I'm saying is, since 15x is bigger than 6x you would "get rid" of 6x). Hope this helps you :D
I personally dont like how he does the times 1/5. I would just divide by 5, its a lot easier. And when he's try to cancel out one of the x's on one side he always subtracts the bigger number and thats a lot more confusing and harder to me. If I had 3x and 8x I wouldnt subtract 8x, that just makes the equation more complicated.
@erule92 'x' is on the dividing side of the fraction...so he multiplied it by x to cancel it out. It cancels out because anytime you divide and multiply something by the same thing (in this case x)...you get 1 (which when multiplied or divided keeps the number the same). So like if you have the fraction 4/5 and you times it by 5...the 5's cancel out and you get 4/1 which is 4. He wanted to cancel it out because having x in the denominator is useless to solving the problem. It needs to be alone.
@EnemyBikeCo He didnt square x. Since it was in the denominator (the dividing side of the fraction) he multiplied it by x. And did the same to the other side of the equals sign to keep it equal. If you divide and multiply by the same number they cancel each other out and make 1. It's like adding and subtracting the same number gives you 0. In this case it was divided by x...so he multiplied by x to cancel it and make it 1 (and anything multiplied or divided by 1 stays the same) so he got 3.
@MrSethsiPodz Not sure about algebra. But if you like numbers watch this. "Speed maths- Multiplying without multiplying". Click on my username and check the vid. Cheers.
Like many others have expressed, I wish you had been there instead of the indistinct mumbling, arcane rules, and back of the head I was provided with in my introduction to Algebra,
can someone explain why he's used x+1/1? i get the x+1 bit, but why the 1? why not x+1/2? or even 3? one of the reasons maths throws me is that i just don't get that sort of arbitrary decision, and it's really frustrating
@Lilandriel one over one (or 1/1) is the equivalent of 2/2 they both reduce to equal one (because one divided by one is one and two divided by two is one) He just wrote it as a fraction because while working with other fractions it makes it easier to compare the two, thus he could've used 2/2 also but 1/1 is easier to use ^~^ hopes that this helps
wat? why was i not told this?......and how'd i get into IB if i can't even do problems as simple as thiis?? .....although this is very helpful...oi...
After looking and looking I think I get it now, but using fractions makes this a nightmare. I am not american and fractions where gone over little in school and never used in real life. I do love decimals.
I feel as if this video jumped over several explanative steps as the earlier videos did. I don't understand how and why the equation works. Seems to me that this is more for refreshing rather than a learning from the ground up video. I have no previous experience with math like this. The earlier videos explained every step though and made it easy to understand.
Seriously this is fucking magic, maybe it's because im older and i have a clearer mind but this seems so clear to me now, it's so obvious. I have always been a bad math student I could never understand it and suddenly now its so easy.
My whole college direction was consciously chosen to avoid math in any sense because of my giant ignorance in the field and here I'm learning it with ease.
I swear If i had this 6-7 years ago it would totaly change who i am today and what I do.
@Pr3fixProducts Then why are you on this page then? Is it your hobby to review elementary mathematics on youtube in your spare time? Because I've always found that going through youtube and goin back over the alphabet was a real hoot myself. Save your bullshit trolling for a Bieber video you spineless little fuck.
@MarcusTexaco Browsed through the khanacademy's tutorials, stopped by to insult idiots who can't understand simple math etc. And you just recognized yourself as one of them, I feel sorry for you.
@Pr3fixProducts@Pr3fixProducts Lol I'm a philosophy-mathematics double major at osu doing my thesis on the meta-mathematical implications of additive prime number theory but apparently I don't understand basic algebra haha will you please teach me all knowing one?bahahahahhaahahha
@MarcusTexaco If everything of that was true you wouldn't be viewing videos such as this one, also you wouldn't be talking like 13 years old kiddo that just got on Internet and expect respect from everyone and when you actually get pnd rage. Oh and, I am not all knowing one, as call me , that is pratically impossible as some events that I don't have knowledge of would require my presence, at all times and and places which is impossible. Mr Philosopher that can't use simple logic.
@Pr3fixProducts Hahahaha someone seems quite upset that they were made out to be an ass in front of the entire youtube community. And sir, if you must know, I was sifting through algebra videos in search of advanced linear algebra pertaining to determinants but upon seeing your asinine comment, I found it necessary to insult you as well because you are an insult to the intellectual community. You should be attacking persons not trying to better their education, not the other way around. But as
@MarcusTexaco Actually, it's you that was upset otherwise you wouldn't call me "spineless little fuck", now would you. It's quite funny how you posted 3 long comments, it proves that it got to you and that it is true. I also find it very funny how you defend and explain yourself in every single sentence, someone's insecure? And please, you're insult to the intellectual community just by being on the internet. You never gave me any valid argument whatsoever. Oh and I won't be point
@Pr3fixProducts it is quite apparent that you are simply an ignorant fool who gets his rocks off by insulting others, it seems rather pointless to continue this conversation any further but I do want to make one last suggestion, if you believe my last epistemology related comment pertaining to you being an "all knowing one" was serious and not sarcasm, you have some serious social ineptness and
@MarcusTexaco pointing fingers, but you're the obviously one who has no idea what's he talking about, or for short 'ignorant'. And, I understood what you posted was sarcasms, I just wanted to humiliate you a little bit more because of your stupidity, you know I find it funny how only unintelligent people are the most arrogant one. That is the funniest part, you can easily manipulate them and make them do whatever you want. You're perfect example of that.
@MarcusTexaco So please, stop humiliating yourself in front of whole YouTube community, which you previously accused me of, and actually do something useful. Go read a book, do some Elementary School math or whatever your brain finds extremely challenge because that way you will improve it and hopefully next time you argue with someone post something of value which won't show how insecure and unintelligent. Wish you good luck. =)
@Pr3fixProducts I suggest seeking professional help. But I'm not going to waste anymore time on this pointless conversation. Just continue to insult others for arbitrary reasons and see how far it gets you in life.
@waaathaaa Since the x+5 is in the denominator you have to MULTIPLY to get it out of it's place as a divisor. If you think about it, Multiplication and Division are merely the opposite of each other. Yin and yang. The same is true for Addition and Subtraction. So to get something out of a divisor placement you must multiply it. To get something out of a quotient placement you must divide! I hope that helps!
@ewenson111 ACCORDING TO (X+1) TIMES (X+2),you would need to first multiply x (from first factor, (x+1)) into x and 2 (to the second factor, (x+2)).Then you should multiply 1 to x and 2.therefore u will get an answer of : (x square) + 3x + 2
If you want to become good at Math visit my channel: ( Mathmatchpoint ) In my videos I'm going to teach you Math the “EASY WAY”. I'll teach you all Math topics; from the basic to the advanced topics. You can watch my Math videos in order by clicking on Playlists.
If you want to become good at Math visit my channel: ( Mathmatchpoint ) In my videos I'm going to teach you Math the “EASY WAY”. I'll teach you all Math topics; from the basic to the advanced topics. You can watch my Math videos in order by clicking on Playlists.
How the hell is 3 divided by anything equal to 5? You can cut it into 5 pieces, but its not equal to 5. Its a 3, you're missing 2. Math sucks, i'm going to drop out and live with my mother.
@evilsinzy It's O.K. Buddy, hit me up. We'll go fishing, have a race with shopping carts. and smoke a bowl in the Jungle Gym...also, if you do one thing you do another...also FUCK MATH. ...also motherfuckers went to the MOON...wat do?
Is there a list to show what the next lesson in line that would come after this... What lesson would normally follow if you were to take this in school... I am trying to find it but I don't see anywhere that shows it???
I missed class on linear equations. I picked up level 1-4 in just a few hours, easy. took notes. I won't be behind when I get back to class tomorrow. He makes it interesting. Big thanks to the youtube instructor. -tru64art@yahoo.com-
Isn't it better to teach the student to move to the other side, without having to multiply both sides? Probably not, but do think about it for the HD refresh.
i'm homeschooled. and i watch your video's almost everyday just to help me out a bit since i basically have to teach myself. i would literally pay for your tutorials, man. :D
Thanks for showing this video in Youtube, study in here or your video is much better than in college. And very easy to follow, wich step I don't understand I can just reviwe it. Again than you very much.
by watching the first 4 of these videos, i have learnt more in this space of two hours then i have since the start of term one. its like. half way through term 2. thanks alot.
Thxs bro, this totally helped me out, I was stuck on 2/y+3 + 3/y-4 = 5/y+6 , but when i saw 5:00 I understood what i was doing wrong, it was the way i was multiplying it. Was doing 2(y-4)(y+6)= 2y-8(y+6) , instead of 2(y-4)(y+6)=(2y-8)(y+6). You overlook the simple things sometimes.
@ChildHoodHorror Its called multiplying out the bracket. 8 times X = 8X and 8 times 5= 40 (because the number on the left of the bracket has to multiply each term inside the bracket seperatly then you can remove the bracket, thus simplifying the equation.
@ChildHoodHorror At 5:42, he used the distributive property by multiplying not only 8 by the variable x, but by the +5 that was in the parenthesis with it.
The first equation, was that a linear equation? If so im going to transfer out my class. The teacher I have seems to think those type of equations aren't linear.
I trust in Sal he's the man and I would expect his title of linear is correct.
I'm 50 and finally going to college. I put 2 sons through college and now it's my turn. I haven't had an Algebra class for 33 years. Your videos are a lifesaver as I prepare to take the entrance placement exam. Thank you! I wish you could work the algebra problems on the CPT practice test.
From what I understadn, you subtract the number that is furthest away from x, so since 7 would be the furthest number, that is the number that you should subtract.
I'm pretty sure that's it, but you might want to talk to your math teacher about it.
3/x=5, x=3, i am an algebra geek.
trevor2796films 2 weeks ago
You make math so FUN!
Onap3 3 weeks ago
This has been flagged as spam show
Niggers can't do any math besides addition and subtraction, and this is way too difficult for them!!!
1989Firecracker 1 month ago
@1989Firecracker
I'm marking your post down for racist spam.
Rawrlor 1 month ago
@1989Firecracker
Also, you're a slav, who hitler kiled all the same.
Rawrlor 1 month ago
This has been flagged as spam show
@Rawrlor LOL at you thinking I'm a Slav. You are either a dumb nigger or a filthy nigger loving white bitch!
1989Firecracker 1 month ago
@1989Firecracker and you are a very foul mouthed racist no-life jerk
trevor2796films 2 weeks ago
Now linear equations are getting too hard for niggers.
1989Firecracker 1 month ago in playlist Algebra
@1989Firecracker racist
trevor2796films 2 weeks ago
Okay I got a question how do you know which side to subtract from? Lets say i've got 6x+6=15x+30. Should i minus 6x and add to 15x or minus 15x and add to 6x and why?
Richard133t 1 month ago
@Richard133t IT can go either way, but I suggest you do 6x-6x+6=15x-6x+30, because this way your coefficient wont be negative if. My teacher told me to subtract the variable to the number with the largest variable (Sorry if that was confusing, what I'm saying is, since 15x is bigger than 6x you would "get rid" of 6x). Hope this helps you :D
Onap3 3 weeks ago
This has been flagged as spam show
Check out the Math Rap on my channel, it is Dynomite!
TheMathRapper 1 month ago
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"xSolve Mobile" solves your equations and systems of equations right on your iDevice. Search for it on the App Store!
jarneaemanuel 1 month ago
guys he multiplied by 1/5 to get 1/5x5/1 which cancels out to make 1x which is x.
thebillybobhobillybo 1 month ago
why do you multiply by 1\5?
JoserRocksDawg 1 month ago
I personally dont like how he does the times 1/5. I would just divide by 5, its a lot easier. And when he's try to cancel out one of the x's on one side he always subtracts the bigger number and thats a lot more confusing and harder to me. If I had 3x and 8x I wouldnt subtract 8x, that just makes the equation more complicated.
OneHellofaMind 2 months ago
I don't understand how he decided on 1/5.
TJbatmankillaTJ 2 months ago
This probably is my least favorite video in your math series. Seems like there was much less explanation that previous videos...
whyminervadied 2 months ago
very hard to understand this your other stuff...
Wilsondano1 2 months ago in playlist Algebra
Hard to understand...
MrCIickHere 2 months ago
0:40 Wait, why would squaring "X" make it cancel itself out?
EnemyBikeCo 2 months ago
@EnemyBikeCo i agree.
why do you cancel out.
there should be an explanation on why. these are detractors from learning because we just automatically cross out with out a reason.
erule92 2 months ago
@erule92 'x' is on the dividing side of the fraction...so he multiplied it by x to cancel it out. It cancels out because anytime you divide and multiply something by the same thing (in this case x)...you get 1 (which when multiplied or divided keeps the number the same). So like if you have the fraction 4/5 and you times it by 5...the 5's cancel out and you get 4/1 which is 4. He wanted to cancel it out because having x in the denominator is useless to solving the problem. It needs to be alone.
vicksoma 2 months ago
@vicksoma thank you!
erule92 2 months ago
@EnemyBikeCo He didnt square x. Since it was in the denominator (the dividing side of the fraction) he multiplied it by x. And did the same to the other side of the equals sign to keep it equal. If you divide and multiply by the same number they cancel each other out and make 1. It's like adding and subtracting the same number gives you 0. In this case it was divided by x...so he multiplied by x to cancel it and make it 1 (and anything multiplied or divided by 1 stays the same) so he got 3.
vicksoma 2 months ago
I just love it how he makes it awesomely easy and then he's like "let's do another one" :D
me3thestar7 3 months ago in playlist Algebra
I'm in 7 th grade and this stuff Ismso easy and I want to do this in math and start learning more advanced stuff any advice
MrSethsiPodz 3 months ago
@MrSethsiPodz Not sure about algebra. But if you like numbers watch this. "Speed maths- Multiplying without multiplying". Click on my username and check the vid. Cheers.
awaqar 3 months ago
These videos are really cool and helpful!! I wish he was my teacher......
SuperShyGuy1011 3 months ago
just wondering, why does it say "6x packs" at 3:42?
rttr125 3 months ago
Comment removed
rttr125 3 months ago
i wish you were my real teacher
pigfacescool 3 months ago 24
freakin awsome
pigfacescool 3 months ago
start from easy ones
chapter by chapter and give a test at the end of each chapter
provide answers with explanations
mindsoul123 4 months ago
Comment removed
GreedX23 4 months ago
Mr. Khan your awesome! Your an awesome teacher and i'm finally beginning to really understand how some of the more difficult Algebra equations work.
Thanks alot!
TzTokBossRSVids 4 months ago
Like many others have expressed, I wish you had been there instead of the indistinct mumbling, arcane rules, and back of the head I was provided with in my introduction to Algebra,
Thannisan 5 months ago
can someone explain why he's used x+1/1? i get the x+1 bit, but why the 1? why not x+1/2? or even 3? one of the reasons maths throws me is that i just don't get that sort of arbitrary decision, and it's really frustrating
Lilandriel 5 months ago
@Lilandriel one over one (or 1/1) is the equivalent of 2/2 they both reduce to equal one (because one divided by one is one and two divided by two is one) He just wrote it as a fraction because while working with other fractions it makes it easier to compare the two, thus he could've used 2/2 also but 1/1 is easier to use ^~^ hopes that this helps
SilveraLordz 5 months ago in playlist Algebra
@SilveraLordz actually, I think that does help! thanks for taking the time to explain :) much appreciated
Lilandriel 5 months ago
@Lilandriel Welcome ^~^ I'm glad it helped :D
SilveraLordz 5 months ago
Either 24 or 25
souleben 5 months ago
Actually the X should be negative.....does this mean that for example -1 . -5x = x and not -x ??????? 7:00
mrvelden 5 months ago
if you were born in 1986 and its 2011 how old are you?
Justcool11100 5 months ago in playlist Algebra
@Justcool11100 Probably 25
BornBW 5 months ago
yayaya!!! i got it!!! :D :D :D
wow, that was extremely helpful...i'd trade my math teacher for him any day.
(:(:(:greenplanet:):):)
xXgreenplanetXx 5 months ago
y does this have so many views lol
mrglemrgle10 5 months ago
does he get paid?
nube1oscuras 5 months ago
@nube1oscuras lol he gets paid from bill gates because its so awesome
qasimisgood 5 months ago
It was not explained how "7(x+1)" turned into "7x+7" .( we don't know what "the distributive property" means). Please explain.
minivanjack 6 months ago
@minivanjack you multiply both of the numbers in the brackets by 7, then you take out the brackets.
TheRubyDestiny 5 months ago
wat? why was i not told this?......and how'd i get into IB if i can't even do problems as simple as thiis?? .....although this is very helpful...oi...
itsTORIbetch 6 months ago
Why does the 5 turn negative?
Blackreaper95 6 months ago
After looking and looking I think I get it now, but using fractions makes this a nightmare. I am not american and fractions where gone over little in school and never used in real life. I do love decimals.
1873Winchester 6 months ago
I feel as if this video jumped over several explanative steps as the earlier videos did. I don't understand how and why the equation works. Seems to me that this is more for refreshing rather than a learning from the ground up video. I have no previous experience with math like this. The earlier videos explained every step though and made it easy to understand.
1873Winchester 6 months ago
Seriously this is fucking magic, maybe it's because im older and i have a clearer mind but this seems so clear to me now, it's so obvious. I have always been a bad math student I could never understand it and suddenly now its so easy.
My whole college direction was consciously chosen to avoid math in any sense because of my giant ignorance in the field and here I'm learning it with ease.
I swear If i had this 6-7 years ago it would totaly change who i am today and what I do.
colloredbrothers 7 months ago 20
@colloredbrothers Thank you for inspiring me and I'm 15 years old and Wish me good luck I'm trying to get to the calculus level.
avemunsayac 1 month ago
@colloredbrothers U couldn't solve linear equations before college? How sad is that, I could solve this shit when I was 3.
Pr3fixProducts 2 weeks ago
@Pr3fixProducts
Good for you, Iv never beeen a math person.
colloredbrothers 2 weeks ago
@Pr3fixProducts Then why are you on this page then? Is it your hobby to review elementary mathematics on youtube in your spare time? Because I've always found that going through youtube and goin back over the alphabet was a real hoot myself. Save your bullshit trolling for a Bieber video you spineless little fuck.
MarcusTexaco 18 hours ago
@MarcusTexaco Browsed through the khanacademy's tutorials, stopped by to insult idiots who can't understand simple math etc. And you just recognized yourself as one of them, I feel sorry for you.
Pr3fixProducts 18 hours ago
@Pr3fixProducts @Pr3fixProducts Lol I'm a philosophy-mathematics double major at osu doing my thesis on the meta-mathematical implications of additive prime number theory but apparently I don't understand basic algebra haha will you please teach me all knowing one?bahahahahhaahahha
MarcusTexaco 17 hours ago
@MarcusTexaco If everything of that was true you wouldn't be viewing videos such as this one, also you wouldn't be talking like 13 years old kiddo that just got on Internet and expect respect from everyone and when you actually get pnd rage. Oh and, I am not all knowing one, as call me , that is pratically impossible as some events that I don't have knowledge of would require my presence, at all times and and places which is impossible. Mr Philosopher that can't use simple logic.
Pr3fixProducts 17 hours ago
@Pr3fixProducts Hahahaha someone seems quite upset that they were made out to be an ass in front of the entire youtube community. And sir, if you must know, I was sifting through algebra videos in search of advanced linear algebra pertaining to determinants but upon seeing your asinine comment, I found it necessary to insult you as well because you are an insult to the intellectual community. You should be attacking persons not trying to better their education, not the other way around. But as
MarcusTexaco 17 hours ago
@MarcusTexaco Actually, it's you that was upset otherwise you wouldn't call me "spineless little fuck", now would you. It's quite funny how you posted 3 long comments, it proves that it got to you and that it is true. I also find it very funny how you defend and explain yourself in every single sentence, someone's insecure? And please, you're insult to the intellectual community just by being on the internet. You never gave me any valid argument whatsoever. Oh and I won't be point
Pr3fixProducts 8 hours ago
@Pr3fixProducts it is quite apparent that you are simply an ignorant fool who gets his rocks off by insulting others, it seems rather pointless to continue this conversation any further but I do want to make one last suggestion, if you believe my last epistemology related comment pertaining to you being an "all knowing one" was serious and not sarcasm, you have some serious social ineptness and
MarcusTexaco 16 hours ago
@MarcusTexaco pointing fingers, but you're the obviously one who has no idea what's he talking about, or for short 'ignorant'. And, I understood what you posted was sarcasms, I just wanted to humiliate you a little bit more because of your stupidity, you know I find it funny how only unintelligent people are the most arrogant one. That is the funniest part, you can easily manipulate them and make them do whatever you want. You're perfect example of that.
Pr3fixProducts 8 hours ago
@MarcusTexaco So please, stop humiliating yourself in front of whole YouTube community, which you previously accused me of, and actually do something useful. Go read a book, do some Elementary School math or whatever your brain finds extremely challenge because that way you will improve it and hopefully next time you argue with someone post something of value which won't show how insecure and unintelligent. Wish you good luck. =)
Pr3fixProducts 8 hours ago
@Pr3fixProducts I suggest seeking professional help. But I'm not going to waste anymore time on this pointless conversation. Just continue to insult others for arbitrary reasons and see how far it gets you in life.
MarcusTexaco 16 hours ago
Can someone please guide me through solving 3x-2/2x+3=4x+4/2x-2? Or any other equation that has the variable in both the numerator and denominator?
lotios611 7 months ago
what does he mean by level 1,3 equations?
maosef 7 months ago
why do you divide in X+2/X+1=7 shouldn't you multiply?? Someone please explain
iWriteUinMyDeathNote 7 months ago
thx
527matt 7 months ago
This has been flagged as spam show
DO NOT UNDERSTAND.
TheeAverageAsian 8 months ago
bruv my head hurts
MissyDiomand13 8 months ago
Bravo!
Bravo27nc 8 months ago
Why do people have to say "No Homo"? Just leave it at "I LOVE YOU!" And we'll all completely agree!
DarkShadowMegadeth 8 months ago
8x + 3x = 5x.
Since -8x is more than 3x then you have to 8-3 <- thats just an imagination of how you should do.
So....
-8x + 3x = 5x.
MachiShupp 8 months ago
would be perfect if ; you were to show every step made including reducing etc
Debedeb 8 months ago
i dont get this :( where do you get the (X+5) over 1? and why do you have to multiply?
waaathaaa 8 months ago
@waaathaaa Since the x+5 is in the denominator you have to MULTIPLY to get it out of it's place as a divisor. If you think about it, Multiplication and Division are merely the opposite of each other. Yin and yang. The same is true for Addition and Subtraction. So to get something out of a divisor placement you must multiply it. To get something out of a quotient placement you must divide! I hope that helps!
Nadrealis 4 months ago
on the equation 3over x +5 = 8over x + 12 How did you get 8x +40 over x +2??
13sophiecat 8 months ago
@13sophiecat oooo.... idk too. i hate math.
MachiShupp 8 months ago
@13sophiecat
8over x+2 not 12. I'm geussing thats why the outcome doesn't seem logical.
colloredbrothers 7 months ago
i started liking maths because of you :) thanks
dolofonosau 9 months ago
@ewenson111 that's using the distributive property.
mrstarwarsfan123451 9 months ago
why not subtract 3x not 8x?????
ekamjot2209 9 months ago
@ekamjot2209 you can do it either way. Khan felt like doing it the harder way..
ihavemonkeysinmybutt 9 months ago
@ihavemonkeysinmybutt thanz but i know
ekamjot2209 9 months ago
(x+1) times (x+2) does not = (x+2) i dont get it
ewenson111 9 months ago
@ewenson111 ACCORDING TO (X+1) TIMES (X+2),you would need to first multiply x (from first factor, (x+1)) into x and 2 (to the second factor, (x+2)).Then you should multiply 1 to x and 2.therefore u will get an answer of : (x square) + 3x + 2
TheParaneetharan 9 months ago 2
You are a champion. Needed a quick refresher course for linear equations for an upcoming test. Couldn't find (x+a)/(x+b)=c anywhere else online.
HalfkastHybrid 10 months ago
i still dont get it:(
CoverProductionz 10 months ago
wow i dont get this at all
iWriteUinMyDeathNote 10 months ago
thanks man
sparkinsons 1 year ago
If you want to become good at Math visit my channel: ( Mathmatchpoint ) In my videos I'm going to teach you Math the “EASY WAY”. I'll teach you all Math topics; from the basic to the advanced topics. You can watch my Math videos in order by clicking on Playlists.
Mathmatchpoint
mathmatchpoint 1 year ago
This has been flagged as spam show
If you want to become good at Math visit my channel: ( Mathmatchpoint ) In my videos I'm going to teach you Math the “EASY WAY”. I'll teach you all Math topics; from the basic to the advanced topics. You can watch my Math videos in order by clicking on Playlists.
Math is easy if you have a good teacher.
Mathmatchpoint
mathmatchpoint 1 year ago
why don't you teach them cross factorization much simpler???
kolson13069 1 year ago
@kolson13069
yeah instead of multiply the inverse....
macknumber 10 months ago
@deppressed1
I'll send you 3 dollars, you divide it into 5 dollars for me.
evilsinzy 1 year ago
oh jeez, this is where math gets complicated. i'm stuck.
ZedBazinga 1 year ago
Would you always want to do the right side first?? EX in the second problem he subtracted 8x instead of subtracting 3x?
Chequelito14 1 year ago
@Chequelito14 it works either way he did that because he didnt want to end up with a -34 on one side
Vman6744 1 year ago
How the hell is 3 divided by anything equal to 5? You can cut it into 5 pieces, but its not equal to 5. Its a 3, you're missing 2. Math sucks, i'm going to drop out and live with my mother.
evilsinzy 1 year ago
@evilsinzy It's O.K. Buddy, hit me up. We'll go fishing, have a race with shopping carts. and smoke a bowl in the Jungle Gym...also, if you do one thing you do another...also FUCK MATH. ...also motherfuckers went to the MOON...wat do?
gishikin 1 year ago
@gishikin
my mom says hi
evilsinzy 1 year ago
@evilsinzy Lol, I got it. :D Basically, -8x + 3x = 5x.
Since -8x is more than 3x then you have to 8-3 <- thats just an imagination of how you should do.
So....
-8x + 3x = 5x.
Your welcome.
MachiShupp 8 months ago
I almost wanted to say that is 34/-5 not -34/5 but, actually the result is the same :)
P.S. Great lessons!
xxSwAmPxx 1 year ago
If you cross multiply the last problem, it'll save you lots of trouble.
kdmq 1 year ago
Comment removed
theSUICIDEoption 1 year ago
Is there a list to show what the next lesson in line that would come after this... What lesson would normally follow if you were to take this in school... I am trying to find it but I don't see anywhere that shows it???
JEFFCLEVANDR 1 year ago
No matter how many times i watch it i still cant get it.
ImP0wderPuff 1 year ago
we understood
Searge007 1 year ago
your not explaining what u want 2 be the subject
jonimoto 1 year ago
Why not just cross multiply and save all the time?
RobinhoGreat25 1 year ago
@RobinhoGreat25 thats what i was thinking after i watched him solve it all the steps just make me confused
fedex0933 1 year ago
what if you cant find a denominator? ex:4x-5 divided by 3 + 2x+7=4
curliefri 1 year ago
i'm jealous
27131007037437 1 year ago
Oh man!!! You are too fast!!!
Why can we write 5x=3 if previously it was 3=5x?????
Otherwise, thanx for these lessons. I just cant see the point of maths...
Kuzmorgo 1 year ago
@Kuzmorgo
5x and 3 are interchangeable, because both sides of the equation are actually the same number, written differently. Hence, 5x = 3, and 3 = 5x.
TrolloftheTube 1 year ago
@Kuzmorgo "Otherwise, thanx for these lessons. I just cant see the point of maths..."
yr currently on a computer that was programmed by the use of mathmatics
deadite137 1 year ago
@Kuzmorgo "I just cant see the point of maths..." you are currently using a computer that was programmed by the use of mathematics.
deadite137 1 year ago
I missed class on linear equations. I picked up level 1-4 in just a few hours, easy. took notes. I won't be behind when I get back to class tomorrow. He makes it interesting. Big thanks to the youtube instructor. -tru64art@yahoo.com-
ohyeaimtruth 1 year ago
@ohyeaimtruth whats with the email?
MachiShupp 8 months ago
Isn't it better to teach the student to move to the other side, without having to multiply both sides? Probably not, but do think about it for the HD refresh.
LordAlda 1 year ago
i though algebra only went up to algebra 3
HEMI599 1 year ago
if there's super man ,you're my megaman....
kanashiihanashi6 1 year ago
Can someone explain why you times by 1/5th? That's never explained where that 1/5th comes from.
leave12 1 year ago
i'm homeschooled. and i watch your video's almost everyday just to help me out a bit since i basically have to teach myself. i would literally pay for your tutorials, man. :D
rawrpowerx 1 year ago
CramMaster is shit compared to KhanAcademy
kamau329 1 year ago
No Algebra: Linear Equations 5? :'(?
Ironcomics 1 year ago
what is the precursor to Algebra that I must understand before learning Algebra?
sentrasersr20de 1 year ago
Thanks for showing this video in Youtube, study in here or your video is much better than in college. And very easy to follow, wich step I don't understand I can just reviwe it. Again than you very much.
HerZong 1 year ago
Multiplying something by 1/5 is like dividing it by 5 right?
gorillaking37 1 year ago
@gorillaking37 Yes. basically the number 1 was left because it's useless.
MachiShupp 8 months ago
You are a great Man. Really appreciate what you have done.
rajindp 1 year ago
i wish you were my math teacher
sharmin8401 1 year ago
4:41 & 4:48 => that's what happens when people think too hard about something... they tend to forget the other little details.
when taking tests, don't forget to breath and fulfill your brain with enough oxygen.
jasanpahaf 1 year ago
@jasanpahaf - No, that’s just you being too stupid to understand elementary algebra.
MarvelsofaLifetime 1 year ago
by watching the first 4 of these videos, i have learnt more in this space of two hours then i have since the start of term one. its like. half way through term 2. thanks alot.
jarradtait 1 year ago
omg
thank you soo much <3
ondeal33 1 year ago
wow this teacher is amazing
i think i love you (no homo)
27131007037437 1 year ago
Thxs bro, this totally helped me out, I was stuck on 2/y+3 + 3/y-4 = 5/y+6 , but when i saw 5:00 I understood what i was doing wrong, it was the way i was multiplying it. Was doing 2(y-4)(y+6)= 2y-8(y+6) , instead of 2(y-4)(y+6)=(2y-8)(y+6). You overlook the simple things sometimes.
omarct 1 year ago
where did the +40 come from?
ChildHoodHorror 1 year ago
@ChildHoodHorror Nvm he explains where i got lost on the next line
ChildHoodHorror 1 year ago
@ChildHoodHorror
distributive law
rocco133 1 year ago
@ChildHoodHorror
8 times 5 is 40...?
ShakkIsLife 1 year ago
@ChildHoodHorror Its called multiplying out the bracket. 8 times X = 8X and 8 times 5= 40 (because the number on the left of the bracket has to multiply each term inside the bracket seperatly then you can remove the bracket, thus simplifying the equation.
higgshg01 1 year ago
@ChildHoodHorror At 5:42, he used the distributive property by multiplying not only 8 by the variable x, but by the +5 that was in the parenthesis with it.
dibrox465 1 year ago
@ChildHoodHorror Distributive Property. 8 times x = 8x 8 times 5 = 40
ColdPenguin6297 1 year ago
@ChildHoodHorror distributive
iDanielVideo 1 year ago
@ChildHoodHorror you dont seem to understand linear equations :P
2coolsaif 11 months ago
The first equation, was that a linear equation? If so im going to transfer out my class. The teacher I have seems to think those type of equations aren't linear.
I trust in Sal he's the man and I would expect his title of linear is correct.
Seattle206723 1 year ago
I'm 50 and finally going to college. I put 2 sons through college and now it's my turn. I haven't had an Algebra class for 33 years. Your videos are a lifesaver as I prepare to take the entrance placement exam. Thank you! I wish you could work the algebra problems on the CPT practice test.
connie0588 1 year ago
Comment removed
KingSolomonUW2004 1 year ago
@jellofast
agreed, i learn much more in college, due to less class time. The way high school was set up, it would make me want to sleep in class.
hsktoadftw 1 year ago
Khan thanks so much!!!
litnight 1 year ago
for the first part ofthe vid:
just say multiply by the recipricol thats easier
magicdude21 1 year ago
I nearly got lost when I heard 40. XD
thespaceman5 1 year ago
@RANDUMBeva
people are in school too long & they lose focus. european students spend less hrs in school than here but they have higher scores
jellofast 1 year ago
As much as i love my math teacher, you are waaaaaaay better at teaching math.
cookiemonsterguy1212 2 years ago
WHAT? see if you pass my class now.
jrnesbit 2 years ago
Khan I love you (NO HOMO)
Dagangstapapi 2 years ago 37
@Dagangstapapi
3(x+2) = 8(x+5)
3x+6=8x + 40 < you multiply 8 by 5 which equals 40
ImmortalDragon 1 year ago
On the 3rd step: Why choose to take minus 7X from the left side?
Couldn't you choose to just munus 1X from the rightside?
samayoa95 2 years ago
From what I understadn, you subtract the number that is furthest away from x, so since 7 would be the furthest number, that is the number that you should subtract.
I'm pretty sure that's it, but you might want to talk to your math teacher about it.
Ginatron 2 years ago
i have to say i've been watching these videos
my teachers at school arent half as good as you
Eriochi 2 years ago
how can you check a fraction over a fraction
ligener 2 years ago
in the first example how can 3/5 be equal to 5?
ligener 2 years ago
@ligener I got X=5/3 WTF?!?
TheWTFers 2 years ago
@TheWTFers i know the answer is right because 5 times 3/5 is 3. my problem is when i check. how do i write it down
ligener 2 years ago
@ligener 3/5 is the same thing as 3 divided by 5 so really this equation would be 3 divided by X = 5.
To check just plug in the x, so 3 divided by 3/5 and it should equal to 5. Check and let me know.
TheWTFers 2 years ago
you teach better then my teacher :O
billydakid3 2 years ago
Shouldn't the added x be -x to be able to cancel-out the +x
badgotohell 2 years ago
Very strait forward love the videos
maewestlife 2 years ago
Love your videos Sal, you're helping me so much i feel like i should pay you. :)
vkain100 2 years ago
Comment removed
vkain100 2 years ago
0:50
So if you were to multiply a fraction by X does that mean you do it like X over X times 3 over X like in this?
I don't quite understand how they cancel out there.
gavbag1234 2 years ago
this is great
MarlonOwnsYourCake 2 years ago