-12w+7w=-15

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Solution for -12w+7w=-15 equation: 



-12w+7w=-15

We move all terms to the left:

-12w+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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