-15=-7w+2(w+5)

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Solution for -15=-7w+2(w+5) equation: 



-15=-7w+2(w+5)

We move all terms to the left:

-15-(-7w+2(w+5))=0



We calculate terms in parentheses: -(-7w+2(w+5)), so:

-7w+2(w+5)

We multiply parentheses

-7w+2w+10

We add all the numbers together, and all the variables

-5w+10

Back to the equation:

-(-5w+10)



We get rid of parentheses

5w-10-15=0

We add all the numbers together, and all the variables

5w-25=0

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

5w=25

w=25/5

w=5

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