-3=7+2w

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Solution for -3=7+2w equation: 



-3=7+2w

We move all terms to the left:

-3-(7+2w)=0

We add all the numbers together, and all the variables

-(2w+7)-3=0

We get rid of parentheses

-2w-7-3=0

We add all the numbers together, and all the variables

-2w-10=0

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

-2w=10

w=10/-2

w=-5

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