-31=-10-2w

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Solution for -31=-10-2w equation: 



-31=-10-2w

We move all terms to the left:

-31-(-10-2w)=0

We add all the numbers together, and all the variables

-(-2w-10)-31=0

We get rid of parentheses

2w+10-31=0

We add all the numbers together, and all the variables

2w-21=0

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

2w=21

w=21/2

w=10+1/2

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