-13=8x+7(-4)

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Solution for -13=8x+7(-4) equation: 



-13=8x+7(-4)

We move all terms to the left:

-13-(8x+7(-4))=0



We calculate terms in parentheses: -(8x+7(-4)), so:

8x+7(-4)

We add all the numbers together, and all the variables

8x-28

Back to the equation:

-(8x-28)



We get rid of parentheses

-8x+28-13=0

We add all the numbers together, and all the variables

-8x+15=0

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

-8x=-15

x=-15/-8

x=1+7/8

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