15=5(w+7)-7w

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



15=5(w+7)-7w

We move all terms to the left:

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



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

5(w+7)-7w

We add all the numbers together, and all the variables

-7w+5(w+7)

We multiply parentheses

-7w+5w+35

We add all the numbers together, and all the variables

-2w+35

Back to the equation:

-(-2w+35)



We get rid of parentheses

2w-35+15=0

We add all the numbers together, and all the variables

2w-20=0

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

2w=20

w=20/2

w=10

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