Added: 3 years ago
From: yourteachermathhelp
Views: 18,434
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  • i dont see how people are getting lost i havent had math in 3 years and i understood it perfectly. great explanation

  • Hey Im sorry but your skipping steps. You not showing how you get certain answer. Your supposed to go step by step your just putting out the answer.

  • This all seems waaaay easier than the way my teacher explained.

  • How and why do you add 8 to both sides? 1:30

  • Teachers need to stop skipping steps, explain everything!!!! You're just as bad as my fkn shitty Nigerian prof who is an asshole who always skips steps!!!!

  • you lost me!

  • @100xines he is actually right . Other teachers from around the world are better in teaching math

  • Comment removed

  • Awesome video. I got it now!

  • To everyone that is complaining... ok i dont find anything wrong with this video i mean its the easiest kind of substituting in algebra were you already have an equation and where it isnt in a sentence form where you have to figure out for yourself.... i dont get why some of you are saying that Americans are bad teachers!! actually theyre some awesome teachers that are willing to stay after school for hours to help you out....

  • @qhgabriel1 have you been taught in a different country? i find that teachers here tend to skip over minor detail, (which can be quite troublesome) which make it hard to understand. I'm not to say all math teachers are ""bad" here but it definitely seems more prevalent.

  • @missrosetejano no shit!!! These assholes think just because THEY know math really well, that everyone does too. It's the minor details and steps skipped that make it difficult for me to understand sometimes.

  • calm the hell down you complainers. these are helpful videos

  • in last vid x was equal to to 9, and now you saying its -3? wha is it?!

    i need to know for this question!

  • Americans have the worse way of teaching math... No wonder Americans are sooooo behind compared to the rest of the world. Geez I sooooo miss my brazilian math teachers!

  • @brasukinha17usa I am 16 doing math in college...and American.

  • WHAT at the end you started going all fast...smh

  • my brain feels like it just got refreshed :O

  • what the freak!!! im so gonna blow this test tomorrow depending on this guy!!

  • wat the fuk

  • omg why is the the only thing to help me with placment test on youtube... shoot me nooooooooooooooow !!!!!!!!!!!!!!!

  • Comment removed

  • What!!!!!

    

  • @crossworlds1 I know right I said the same thing lol!

  • -4 times +2 = -8 thats how he got neg. 8

  • HA! (I litteraly said that really loud) I have NO idea what you just did and I have to take my accuplacer tomorrow morning.. Hope they don't boot me out.

  • you get -8 and -12x by multipying -4 into the (3x+2) to get rid of the parenthesis

  • how did he get the -8?

  • umm are u goin to tell us how did u get the 7x-12x-8=7???  and your boring.

  • because he used substitution and plugged in 3x+2 for y

    4y substitution 4(3x+2)=12x-8

  • he used the distributive property which means he has to times each number in the ( ) so in this case he did 4 times 3x and 4 times 2 and that is how he got that.

    dang this did not help me learn anything for the acuplacer cmon argh back to the math books .....sigh...

  • i think i got low scores on the math section of the accuplacer test. i got like 30 on algebra and 50 on the other one what ever it was.

  • man, I suck at math, this makes like no sense.

  • OMG im never going to get into college. Why did he just say simplify? Why not explain how he arrived at 12x -8 from 4 (3x + 2 because that's what I do not understand. oh dear i am crap at math.

  • multiply 4 times 3x and -4 times 2 for 12x -8

  • wow your boring.. and my friend that is an easy problem ..

  • wow i realy need help with math... didn't understand a thing

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