Hesher
3x+2y= 12 solve for y?
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Brittni0605
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Isolate y. What do you have to do first?
HELP!!!!
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2y=-3x+12
y=-3/2+6
HELP!!!!
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can you add me as your fan?
Hesher
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So I have to subtract 3x from the right side of the equation right?
Brittni0605
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@HELP!!!! I wish Hersher could of done it, instead of it being done for him/her.
Hesher
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Sorry, I just signed up for this site 5 minutes ago
Brittni0605
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Yes @Hesher
Hesher
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one second
Hesher
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so after I move 3x (which is now -3x) to the side of the equation with 12 on it, do I divide by 3x on that side?
Hesher
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*Do I divide -3x and 12 by 3?
Brittni0605
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No.
HELP!!!!
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so first you isolate the y to one side of the equation. But for this problem you would move the x variable to the right side to make the equation easier.
Brittni0605
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|dw:1352677832823:dw|
Hesher
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oohhh
HELP!!!!
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............
Brittni0605
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Now, what should you do? @Hesher
Hesher
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|dw:1352677981230:dw|
Hesher
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sorry, Im bad at drawing with a mouse
Brittni0605
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No, do not divide by 3x. You've subtracted it from the left side to the right. You are done with the 3x. Now you want to isolate 'y'. But you have '2y'..so what should you do?
Hesher
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so then 2y = 4, So I divide 2 and 4 both by 2?
y = 2 ?
Hesher
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|dw:1352678175920:dw|
Brittni0605
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Where did you get a 4 from??
Hesher
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from dividing 12 by 3
Brittni0605
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|dw:1352678232917:dw|
Brittni0605
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No, you do not divide 12 by 3
Hesher
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I divide everything by two?
Hesher
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No, that wouldn't work
Brittni0605
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Yes.
Brittni0605
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|dw:1352678367244:dw|
Hesher
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Thank you
Brittni0605
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Np.