-7=3+w

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Solution for -7=3+w equation: 



-7=3+w

We move all terms to the left:

-7-(3+w)=0

We add all the numbers together, and all the variables

-(w+3)-7=0

We get rid of parentheses

-w-3-7=0

We add all the numbers together, and all the variables

-1w-10=0

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

-w=10

w=10/-1

w=-10

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