21-2w=-5w

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Solution for 21-2w=-5w equation: 



21-2w=-5w

We move all terms to the left:

21-2w-(-5w)=0

We get rid of parentheses

-2w+5w+21=0

We add all the numbers together, and all the variables

3w+21=0

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

3w=-21

w=-21/3

w=-7

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