12-3x=2x-8x

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Solution for 12-3x=2x-8x equation: 



12-3x=2x-8x

We move all terms to the left:

12-3x-(2x-8x)=0

We add all the numbers together, and all the variables

-3x-(-6x)+12=0

We get rid of parentheses

-3x+6x+12=0

We add all the numbers together, and all the variables

3x+12=0

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

3x=-12

x=-12/3

x=-4

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