3w+7-9w=31

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Solution for 3w+7-9w=31 equation: 



3w+7-9w=31

We move all terms to the left:

3w+7-9w-(31)=0

We add all the numbers together, and all the variables

-6w-24=0

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

-6w=24

w=24/-6

w=-4

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