-3w-15=5-7w

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Solution for -3w-15=5-7w equation: 



-3w-15=5-7w

We move all terms to the left:

-3w-15-(5-7w)=0

We add all the numbers together, and all the variables

-3w-(-7w+5)-15=0

We get rid of parentheses

-3w+7w-5-15=0

We add all the numbers together, and all the variables

4w-20=0

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

4w=20

w=20/4

w=5

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