-2=9w+7

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Solution for -2=9w+7 equation: 



-2=9w+7

We move all terms to the left:

-2-(9w+7)=0

We get rid of parentheses

-9w-7-2=0

We add all the numbers together, and all the variables

-9w-9=0

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

-9w=9

w=9/-9

w=-1

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