Added: 1 year ago
From: khanacademy
Views: 1,113,861
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  • he deserves a nobel prize.

  • Hey what is the digital easel used in these videos anyone know?

  • THANK YOU MY FUCKING TEACHER HAS NEVER EXPLAINED IT LIKE THAT THANK YOU MAN

  • He says literally a lot.

  • I Love The Video It Can Increase My Knowledge Introduction to basic algebraic equations of the form Ax=B

  • Nice Video That You Share , So Very Nice Thanks You Introduction to basic algebraic equations of the form Ax=B

  • I Really Like The Video From Your Introduction to basic algebraic equations of the form Ax=B

  • Your Video Is Very Useful Sharing Introduction to basic algebraic equations of the form Ax=B

  • I wanna sleep k btye arhjh

  • And know that I'm NOT going to start arguing with you. Well have a nice life... Wait oh I get the post now Fire whatever. -shakes head- Anyway good bye.

  • Honestly the two people putting America down is being ridiculous. This is a MATH lesson not a jerkoff convention. Also not just private schools have good information homeschoolers are actually quite smart.

    The only two wrong with America's school system is the teaching in its self. If teachers were like Mr.Khan then we would understand plenty. The second factor is the students don't WANT to learn. If they too the extra time to do video's like these then they would be smarter. Good-bye!

  • Thanks so much, I've been having difficulty with math and no one here teaches me so this is a great help :D

  • at 07:05 it's not an "X" it's a lambda (λ), lol

  • 21 people still dont get his

  • I wish I had you when I was in school.

  • this video save my life

  • you sir are a freakin master! , I hate math and I am shit with it , but you with your voice ,style and information flood is siiiiiick! thanks a lot , keep it up

  • lol divide "boat sides"

  • You will be my lifesaver for high school.....

    Math was never my strong suit :/

  • I think I just  chunked in my pants.

  • One thing I never got is how people dislike this guy's videos. What is wrong with them? They seem fantastic to me.

  • This is how im going to study for my finals, just watch all the algebra videos

  • @Thelizzardcat To be honest while these are excellent videos to first help you understand a concept, simply watching this video won't help much to study. The best method is to write all of the concepts out in a study guide in a way you can understand them.

  • @sheensheensheensheen Yeah, that is true, and watching these videos is not ALL i am doing xD that would be silly. To be more specific, i am using these videos to refresh my brain to all of the early concepts that i learned in Alg,2 that got lost over the past few months. Then im going to go back, and work through practice problems and see what i need to work on ;)

  • *Raises hand* Oh! Oh! Oh! Oh! oh! I have a question!...when is naptime?

  • wow srsly.. Americans... lol.

  • @DGMedonja yeah oi know usa is poor country with rediculous school systems. omly private schools can achieve same results as americans. im east european and living in usa and having problems in math

  • Better put than high school maths was ^_^

  • @1989Firecracker Niggers cant do shit but waste their lives and od rap

  • @HybodusStudios LOL I agree. Niggers are stupid and they drag the overall IQ of Americans down!

  • Thanks alot for helping me in Algebra!I'm starting to really enjoy this series on Algebra.It allows me to understand formulas etc;etc much better.

  • i love this program!

  • the colors are to distracting.....

  • @wwelove0909 I love the colors....

  • Math books only tell you: Do this, do that, and you'll get your damn answer. And I always keep asking myself WHY! Why do I have to divide, and not multiply!? Why is this solving something and what is it solving?

    Now I finally have my answers, thank you!

  • I haven't thought about any of this since high school/college. Thank you! You're better than any teacher/professor I've ever had when it comes to explaining this.

  • i have a boner now

  • 美國孩子數學是有多差...

  • Im in 6th grade. I dont get this. Probably cause im looking at the pretty colors. BTW i already know how to do this. Why is my dad making me watch this?

  • @mewmew5000 hhaahha you're hilarious

  • I've never heard this explained so simply and thoroughly. AMAZING.

  • If you're studying equations in school don't forget to check out the website that goes along with these videos! You can get good practice for tests and stuff. The website is khanacademy (dot) org.

    Also make sure to tell your friends about these videos and the site.. so many people are missing out!

  • john stossel makes you out as a god!

  • Im in 5th grade and your my hero... :)

  • Dude you're awesome :)

  • Thumbs up if you watched this in math class -____-

  • Comment removed

  • chiken fart face

  • Hahaha oh algebra

  • Thumbs up if youre in k12 

  • @IHEROBRINEI

    nope i'm in CalPac

  • THUMBS UP IF YOU THINK THAT HES EXTREMELY SMART AND HELPFULL

  • I like his voice! And maybe some people need to see and hear it. If u don't like it then don't watch it! That simple!

  • @aubreygray1 Others dont know you moron

  • Wow, this is amazing! I totally wish I had this at my disposal back in school! What a great tool!

  • My teacher doesn't really work on Math so if I come home I don't get a problem and my dad doesn't I come to you and you make it a lot easier for me :)

  • thumps up for his amazing hand wright :D

  • does he have videos on linear Inequalities and absolute value?

  • These vids are great,

  • wow i haven't done this in awhile and this was easy until the last problem and my mind was blown thanks guys this is refreshing

  • Finally there is a real benefit from youtube site >>>0_*

  • If he was teaching a different language we would be able to learn it in one siting

  • @haloiscoolerthencod HALO IS SO MUCH BETTER THAN COD! HUZZAHHH!!!

  • SULLIVAN AP PHYSICS WOOOOH!

  • I'm sure it would be easier to just say, "7x = 14. Now every letter after a number immediately makes it a multiplication problem. As you know 7 + 7 = 14, so 7x = 14 would become 7 x (x) = 14. And 7 + 7 = 14 SHOWS you that x becomes a 2. so its now 7 x 2 = 14. How? Because 7 + 7 would be 2 TIMES of the seven, which would become 14! <---- wouldn't that be easier than just a bunch of x's and o's?

    And really, I think you should stop fussing about "colors". It gets on my nerves and on others' too.

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  • @acidicbrainz You're the one fussing about him fussing about colors. Plus the colors are good.

  • love it! Can you write on a white surface instead of a black surface? It's too hard to read on a black board! thanks!

  • I'm in 8th grade. and you're my hero :')

  • @whydoyousuffer If so thats pretty pathetic....you should be outside hunting,fishing running,,FUN stuff not doing math on a computer...

  • @whydoyousuffer me too :D

  • WOW!!!!! I'm in aiea inter and in 7th grade but like Oh my gosh I suck @ math because it's always my weakest subject but now I kinda understand!

  • Thank you, im in 7th grade and i suck at math always got atlezt a C or D now im straight A student Thank you once again

  • watched you on charlie rose and my mom made me go on your website... i didnt really want to at first but now its pretty interesting

  • how do you dislike this video, unless you hate math

  • this is awesome!!!!

  • chunk lol

  • I'm learning English and at the same time learning English, improving it! Thanks!

  • your an amazing instructor. im goin into 7th grade and entering pre alegbra and this helps. you should make a textbook or something. :)

  • You guys should make a freaking textbook!

  • Samuel L Jackson voice

  • 9:36 he sounds like the count from sesame street.:-) Okay, now that I got that out. Where do I dontate money? What a great product!

  • I like his accent, or the way he says things. XD I know he's saying 'Both sides', but I keep hearing 'boat sides'. XD It's making me smile. I've never smiled when being taught math before. I've always hated math with a burning passion. But now I'm actually smiling at it. ^__^ That's something remarkable.

  • Seven EVIL exes.

  • I 36yrs old. Dropped out my freshman year in high school after flunking out the previous year. I have been ashamed of this and embarrasingly bad at math. Now, I just want to thank you for this because Im learning.

  • @IDontHoldTheTruth 2y + 4y = 18. If you do what you describe, you get the wrong answer (9/4 does not equal 3). Why you get the wrong answer is because when you first divide by 2, you should also divide the 4y by 2. That is, you divide ALL of both sides when you divide. So:

    2y + 4y = 18

    Divide all by 2 leaves:

    y + 2y = 9

    Now the easiest way to solve this is to just add the ys and divide by 3:

    3y = 9

    y = 3

    And you get the same answer again.

  • i dont know why this 7 people dislike Math ! maybe they are a retired pornstar

  • Im beggining to learn math from scratch. from basics substraction and addition and im 20 years old. a bit ashamed, but im pretty sure i will go even further thanks to khanaccademy. I accidently stopped to that website. I loved it. a great source of knowledge!

  • @IDontHoldTheTruth there are a number of ways to solve basic algebraic equations. the way khan did it was just one of the ways. you could certainly divide first and then add, or add and then divide. experimenting with the many different ways can't hurt =)

  • Even when it comes to explaining the basics you are good.

    Keep it coming.

  • 7 people think they are funny by disliking math

  • @UndecoverGTR This is mathematics not a casual youtube video !

  • 7 people did not understand the explanation, but that's ok we all learn differently. :D

  • YOUR VIDEOS ARE A HUGE HELP FOR MY COLLEGE ENTRANCE EXAMS. THANKS MAN.

  • 6 dislikes ? Who dislikes it ?

  • i find this easy but when it comes to exams you freeze out (thumbs up if you do)

  • i get what hes doing but since I already knew how to solve this equation it really complicated it for me but he does an excellent job if you don't know how to go about solving this kind of equation at all.

  • Khan is so mysterious... nobody knows what he looks like.... creepy hahahaha

  • @ViciousBunny123 he is indian go look at his channel

  • @antonio50150 He's bangladeshi not indian from what i heard

  • @OmegaRocketGrunt ok no hate :)

  • @ViciousBunny123 his picture is on wiki search sal khan. he has shown his face many times

  • I had to learn algebra from a book @.@ Wow, this made it seem so easy...

    Thanks so much for uploading these! They're a huge help! 8D

  • This guy is heaven sent

  • @TheProgramMaker9000

    ihad him as a teacher ! so u can go fuck your self bitch !

  • Dude!! You make it look so easy! Love it.

  • i started screaming when he pulled out the 2y + 4y = 18

  • Khan is an excellent teacher - I never saw such a fine approach

  • 4 people failed math

  • Thanks dude you rock now i total get it. KHAN your the best you helped me get it

  • Thank you so much I was good to to get mathwatch for £4, but I not now

  • Sal Khan, you make it so exciting to learn! Thank you so much! You have my deepest appreciation!!

  • KHAAAAAAAAAAAAANNN!!!!! you rock!!!

  • I've realized that the school that I went to sucks. My teacher didn't explain Math as clearly as this video...

  • it's fun to see where we come from. Differential Equations is a bitch. Thanks for the help in that as well.

  • he is always repeating things!!! its kinda irratating!

  • I hope my school uses these videos all the time

    This was my homework (only to watch the video) :D

    7x =14!!!!!!!

  • is khan muslim?

  • @adamgil91 WHY WOULD IT MATTER???

  • @adamgil91 That totally should not matter, if he would be (could be as he is from Bangladeshi descent, just look on Wiki) he would certainly be a modern one. + The higly educated (as he is outstanding high) are for a large part unconfessional

  • BORING

  • @sdflksdfkfh ur an idiot if u thinkthis is boring!!1 THIS IS AWESOME!!!!!!!!

  • @TheProgramMaker9000 Right. I'm the idiot. Way to write, dipshit.

  • you make me hate my teacher

  • why weren't you my teacher at the time....

  • Thank you for the videos you make and love your website ever since I started using it i've gotten better in school and my math grades have been improving

  • Very good

  • i learnt more in 11:06 mins than i did in a whole week literally...thanks man :D

  • thanks for the free teaching man real good man

  • How marvelous, how freeing. I can finally learn math. And I can enjoy it far more than I would have at that awful school environment, and I will do it much faster as well.

    Khan Academy, you have changed my life by making this information not just readily available, but also easy to assimilate. Thank you very much, may you change the wretched state of education.

  • @thisusernameistaken2 i doubt yours is better judging by the way you type

  • @thisusernameistaken2 what the.. what the..... WHAT THE !@$% IS UR PROBLEM!!! THE KHAN ACADIMY IS WHAY BETTAR THEN UR SHIT!!!1 GO SHIT ON URSELF!!!!!!!!!

  • FUCK YOU BRIAN HANSEN ' . !!!!!!!!!!!!!!!!!!!

  • @LolaLufhangle @!#$ urself!

  • are you a wizard? thank you for sharing knowledge in such a simple way.

  • These are some great videos. Wish I'd found them earlier.

  • you're a great teacher!

  • That's not an X you're drawing.

    It's the greek letter chi. ._.

  • @Tren545

    It does not matter man.. The important thing is that you learn the basic idea about equation :D

    You don't have to type X.. u can draw a banana as well :D exact same thing.. We write x to mark that it is unkown u can write alfa, beta, gamma, zeta, heta if u want to ;) just notation ;D

  • @Tren545 so?

  • Somehow I doubt youlovemathematics is going to be as good at teaching mat as Sal is.

    That's my opinion, b/c I was never able to find ANYONE who could succeed at helping me until I found this channel.

  • Thankyou!!! i though i was gunna fail maths cos of my crap teacher :)

  • Way better than my teacher.

  • Youlovemathematics. On my channel I will teach you everything about math step by step. I will start with teaching you (necessary basic math skills) and then I will teach you the more advanced math topics. Just click on Playlists when you are on my channel and you will be able to watch my math videos in order.

  • @youlovemathematics  Spam your channel some where else. Not on this guys videos, Moron !

  • @youlovemathematics NO WAY!!!! KHAN IS WAY BETTA THAT U!!!!!!

  • @youlovemathematics -tsk- NO WAY!!!!!!

  • HE IS PROUD OF OUR BANGLADESH

  • This dude a Legend

    that's gon be my tutor from now on!

  • The best teacher i've ever had...

  • great 

  • Really nice video

  • i owe you soooooo soo much sal!!! thx for everything :D

  • just what I was looking for!!!! POSTED today???? nice! you have saved my malfunctioning math brain!!!

  • This is great. Never seen it this way. Keep on going.

  • Thanks!

  • I've never seen it said better. Your videos are helping young and old alike. I am 65 years old and just now getting around to understanding algebra. Learning a new concept gives a person the same thrill a surfer must feel catching a big wave, or a climber reaching a new peak. It's called pride, and it feels good. Thank you so much for helping so many feel proud.

  • @Mikerochip1 why you're very modern for a 65years old! my grandma is 65 and she cant turn on a computer:)

  • nice video again Mr. Khan :)

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