-7w-40=9(w-8)

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Solution for -7w-40=9(w-8) equation: 



-7w-40=9(w-8)

We move all terms to the left:

-7w-40-(9(w-8))=0



We calculate terms in parentheses: -(9(w-8)), so:

9(w-8)

We multiply parentheses

9w-72

Back to the equation:

-(9w-72)



We get rid of parentheses

-7w-9w+72-40=0

We add all the numbers together, and all the variables

-16w+32=0

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

-16w=-32

w=-32/-16

w=+2

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