20=-(x-8)

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Solution for 20=-(x-8) equation: 



20=-(x-8)

We move all terms to the left:

20-(-(x-8))=0



We calculate terms in parentheses: -(-(x-8)), so:

-(x-8)

We get rid of parentheses

-x+8

We add all the numbers together, and all the variables

-1x+8

Back to the equation:

-(-1x+8)



We get rid of parentheses

1x-8+20=0

We add all the numbers together, and all the variables

x+12=0

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

x=-12

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