-21=3w+9-11w

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Solution for -21=3w+9-11w equation: 



-21=3w+9-11w

We move all terms to the left:

-21-(3w+9-11w)=0

We add all the numbers together, and all the variables

-(-8w+9)-21=0

We get rid of parentheses

8w-9-21=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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