-3x-31=4(x+8)

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Solution for -3x-31=4(x+8) equation: 



-3x-31=4(x+8)

We move all terms to the left:

-3x-31-(4(x+8))=0



We calculate terms in parentheses: -(4(x+8)), so:

4(x+8)

We multiply parentheses

4x+32

Back to the equation:

-(4x+32)



We get rid of parentheses

-3x-4x-32-31=0

We add all the numbers together, and all the variables

-7x-63=0

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

-7x=63

x=63/-7

x=-9

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