7=-7w+2(w-4)

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Solution for 7=-7w+2(w-4) equation: 



7=-7w+2(w-4)

We move all terms to the left:

7-(-7w+2(w-4))=0



We calculate terms in parentheses: -(-7w+2(w-4)), so:

-7w+2(w-4)

We multiply parentheses

-7w+2w-8

We add all the numbers together, and all the variables

-5w-8

Back to the equation:

-(-5w-8)



We get rid of parentheses

5w+8+7=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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