-86=x-7(x+8)

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Solution for -86=x-7(x+8) equation: 



-86=x-7(x+8)

We move all terms to the left:

-86-(x-7(x+8))=0



We calculate terms in parentheses: -(x-7(x+8)), so:

x-7(x+8)

We multiply parentheses

x-7x-56

We add all the numbers together, and all the variables

-6x-56

Back to the equation:

-(-6x-56)



We get rid of parentheses

6x+56-86=0

We add all the numbers together, and all the variables

6x-30=0

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

6x=30

x=30/6

x=5

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