21=-3+6w

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Solution for 21=-3+6w equation: 



21=-3+6w

We move all terms to the left:

21-(-3+6w)=0

We add all the numbers together, and all the variables

-(6w-3)+21=0

We get rid of parentheses

-6w+3+21=0

We add all the numbers together, and all the variables

-6w+24=0

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

-6w=-24

w=-24/-6

w=+4

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