12-(-x=8)=18

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Solution for 12-(-x=8)=18 equation: 



12-(-x=8)=18

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

1x+8+12=0

We add all the numbers together, and all the variables

x+20=0

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

x=-20

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