-9=8w+5(w-7)

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Solution for -9=8w+5(w-7) equation: 



-9=8w+5(w-7)

We move all terms to the left:

-9-(8w+5(w-7))=0



We calculate terms in parentheses: -(8w+5(w-7)), so:

8w+5(w-7)

We multiply parentheses

8w+5w-35

We add all the numbers together, and all the variables

13w-35

Back to the equation:

-(13w-35)



We get rid of parentheses

-13w+35-9=0

We add all the numbers together, and all the variables

-13w+26=0

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

-13w=-26

w=-26/-13

w=+2

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