-9=-7w+w

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



-9=-7w+w

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(-6w)-9=0

We get rid of parentheses

6w-9=0

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

6w=9

w=9/6

w=1+1/2

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