-42=2(w-87)

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Solution for -42=2(w-87) equation: 



-42=2(w-87)

We move all terms to the left:

-42-(2(w-87))=0



We calculate terms in parentheses: -(2(w-87)), so:

2(w-87)

We multiply parentheses

2w-174

Back to the equation:

-(2w-174)



We get rid of parentheses

-2w+174-42=0

We add all the numbers together, and all the variables

-2w+132=0

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

-2w=-132

w=-132/-2

w=+66

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