-7=8+3w

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Solution for -7=8+3w equation: 



-7=8+3w

We move all terms to the left:

-7-(8+3w)=0

We add all the numbers together, and all the variables

-(3w+8)-7=0

We get rid of parentheses

-3w-8-7=0

We add all the numbers together, and all the variables

-3w-15=0

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

-3w=15

w=15/-3

w=-5

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