9=-2w+7(w+7)

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Solution for 9=-2w+7(w+7) equation: 



9=-2w+7(w+7)

We move all terms to the left:

9-(-2w+7(w+7))=0



We calculate terms in parentheses: -(-2w+7(w+7)), so:

-2w+7(w+7)

We multiply parentheses

-2w+7w+49

We add all the numbers together, and all the variables

5w+49

Back to the equation:

-(5w+49)



We get rid of parentheses

-5w-49+9=0

We add all the numbers together, and all the variables

-5w-40=0

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

-5w=40

w=40/-5

w=-8

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