3=4w-21

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Solution for 3=4w-21 equation: 



3=4w-21

We move all terms to the left:

3-(4w-21)=0

We get rid of parentheses

-4w+21+3=0

We add all the numbers together, and all the variables

-4w+24=0

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

-4w=-24

w=-24/-4

w=+6

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