31=3-4w

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Solution for 31=3-4w equation: 



31=3-4w

We move all terms to the left:

31-(3-4w)=0

We add all the numbers together, and all the variables

-(-4w+3)+31=0

We get rid of parentheses

4w-3+31=0

We add all the numbers together, and all the variables

4w+28=0

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

4w=-28

w=-28/4

w=-7

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