3x-12=-x+6

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Solution for 3x-12=-x+6 equation: 



3x-12=-x+6

We move all terms to the left:

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

We add all the numbers together, and all the variables

3x-(-1x+6)-12=0

We get rid of parentheses

3x+1x-6-12=0

We add all the numbers together, and all the variables

4x-18=0

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

4x=18

x=18/4

x=4+1/2

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