-8x-31=7(x+2)

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Solution for -8x-31=7(x+2) equation: 



-8x-31=7(x+2)

We move all terms to the left:

-8x-31-(7(x+2))=0



We calculate terms in parentheses: -(7(x+2)), so:

7(x+2)

We multiply parentheses

7x+14

Back to the equation:

-(7x+14)



We get rid of parentheses

-8x-7x-14-31=0

We add all the numbers together, and all the variables

-15x-45=0

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

-15x=45

x=45/-15

x=-3

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