-2w-(-7w)=-15

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Solution for -2w-(-7w)=-15 equation: 



-2w-(-7w)=-15

We move all terms to the left:

-2w-(-7w)-(-15)=0

We add all the numbers together, and all the variables

-2w-(-7w)+15=0

We get rid of parentheses

-2w+7w+15=0

We add all the numbers together, and all the variables

5w+15=0

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

5w=-15

w=-15/5

w=-3

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