3x-(2x-4)=12-x

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Solution for 3x-(2x-4)=12-x equation: 



3x-(2x-4)=12-x

We move all terms to the left:

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

We add all the numbers together, and all the variables

3x-(2x-4)-(-1x+12)=0

We get rid of parentheses

3x-2x+1x+4-12=0

We add all the numbers together, and all the variables

2x-8=0

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

2x=8

x=8/2

x=4

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