81=x-(-6)

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Solution for 81=x-(-6) equation: 



81=x-(-6)

We move all terms to the left:

81-(x-(-6))=0



We calculate terms in parentheses: -(x-(-6)), so:

x-(-6)

We add all the numbers together, and all the variables

x+6

Back to the equation:

-(x+6)



We get rid of parentheses

-x-6+81=0

We add all the numbers together, and all the variables

-1x+75=0

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

-x=-75

x=-75/-1

x=+75

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