-2(2w+6)-(4w-3)=21

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Solution for -2(2w+6)-(4w-3)=21 equation: 



-2(2w+6)-(4w-3)=21

We move all terms to the left:

-2(2w+6)-(4w-3)-(21)=0

We multiply parentheses

-4w-(4w-3)-12-21=0

We get rid of parentheses

-4w-4w+3-12-21=0

We add all the numbers together, and all the variables

-8w-30=0

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

-8w=30

w=30/-8

w=-3+3/4

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