5w-45=-7(w-9)

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Solution for 5w-45=-7(w-9) equation: 



5w-45=-7(w-9)

We move all terms to the left:

5w-45-(-7(w-9))=0



We calculate terms in parentheses: -(-7(w-9)), so:

-7(w-9)

We multiply parentheses

-7w+63

Back to the equation:

-(-7w+63)



We get rid of parentheses

5w+7w-63-45=0

We add all the numbers together, and all the variables

12w-108=0

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

12w=108

w=108/12

w=9

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