-7w+2(w-2)=21

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Solution for -7w+2(w-2)=21 equation: 



-7w+2(w-2)=21

We move all terms to the left:

-7w+2(w-2)-(21)=0

We multiply parentheses

-7w+2w-4-21=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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