-9=-7w+2(w+3)

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Solution for -9=-7w+2(w+3) equation: 



-9=-7w+2(w+3)

We move all terms to the left:

-9-(-7w+2(w+3))=0



We calculate terms in parentheses: -(-7w+2(w+3)), so:

-7w+2(w+3)

We multiply parentheses

-7w+2w+6

We add all the numbers together, and all the variables

-5w+6

Back to the equation:

-(-5w+6)



We get rid of parentheses

5w-6-9=0

We add all the numbers together, and all the variables

5w-15=0

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

5w=15

w=15/5

w=3

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