3w+7w+5=-15

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



3w+7w+5=-15

We move all terms to the left:

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

We add all the numbers together, and all the variables

10w+20=0

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

10w=-20

w=-20/10

w=-2

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