-3w-21=8(w-4)

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Solution for -3w-21=8(w-4) equation: 



-3w-21=8(w-4)

We move all terms to the left:

-3w-21-(8(w-4))=0



We calculate terms in parentheses: -(8(w-4)), so:

8(w-4)

We multiply parentheses

8w-32

Back to the equation:

-(8w-32)



We get rid of parentheses

-3w-8w+32-21=0

We add all the numbers together, and all the variables

-11w+11=0

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

-11w=-11

w=-11/-11

w=1

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