-3x+12+7x=2x-4x

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Solution for -3x+12+7x=2x-4x equation: 



-3x+12+7x=2x-4x

We move all terms to the left:

-3x+12+7x-(2x-4x)=0

We add all the numbers together, and all the variables

-3x+7x-(-2x)+12=0

We add all the numbers together, and all the variables

4x-(-2x)+12=0

We get rid of parentheses

4x+2x+12=0

We add all the numbers together, and all the variables

6x+12=0

We move all terms containing x to the left, all other terms to the right

6x=-12

x=-12/6

x=-2

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