81=8x-(-25)

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Solution for 81=8x-(-25) equation: 



81=8x-(-25)

We move all terms to the left:

81-(8x-(-25))=0



We calculate terms in parentheses: -(8x-(-25)), so:

8x-(-25)

We add all the numbers together, and all the variables

8x+25

Back to the equation:

-(8x+25)



We get rid of parentheses

-8x-25+81=0

We add all the numbers together, and all the variables

-8x+56=0

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

-8x=-56

x=-56/-8

x=+7

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