-28=7w+2(w+4)

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Solution for -28=7w+2(w+4) equation: 



-28=7w+2(w+4)

We move all terms to the left:

-28-(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

9w+8

Back to the equation:

-(9w+8)



We get rid of parentheses

-9w-8-28=0

We add all the numbers together, and all the variables

-9w-36=0

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

-9w=36

w=36/-9

w=-4

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