-128=-8(3+x)

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Solution for -128=-8(3+x) equation: 



-128=-8(3+x)

We move all terms to the left:

-128-(-8(3+x))=0

We add all the numbers together, and all the variables

-(-8(x+3))-128=0



We calculate terms in parentheses: -(-8(x+3)), so:

-8(x+3)

We multiply parentheses

-8x-24

Back to the equation:

-(-8x-24)



We get rid of parentheses

8x+24-128=0

We add all the numbers together, and all the variables

8x-104=0

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

8x=104

x=104/8

x=13

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