7-2w=15

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Solution for 7-2w=15 equation: 



7-2w=15

We move all terms to the left:

7-2w-(15)=0

We add all the numbers together, and all the variables

-2w-8=0

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

-2w=8

w=8/-2

w=-4

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