3x-12=x+8-2x

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



3x-12=x+8-2x

We move all terms to the left:

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

We add all the numbers together, and all the variables

3x-(-1x+8)-12=0

We get rid of parentheses

3x+1x-8-12=0

We add all the numbers together, and all the variables

4x-20=0

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

4x=20

x=20/4

x=5

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