7x-12=-x+8

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Solution for 7x-12=-x+8 equation: 



7x-12=-x+8

We move all terms to the left:

7x-12-(-x+8)=0

We add all the numbers together, and all the variables

7x-(-1x+8)-12=0

We get rid of parentheses

7x+1x-8-12=0

We add all the numbers together, and all the variables

8x-20=0

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

8x=20

x=20/8

x=2+1/2

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