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

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



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

We move all terms to the left:

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

We multiply parentheses

-6w+3w-9-21=0

We add all the numbers together, and all the variables

-3w-30=0

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

-3w=30

w=30/-3

w=-10

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