-w-7=9+w

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



-w-7=9+w

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

-1w-(w+9)-7=0

We get rid of parentheses

-1w-w-9-7=0

We add all the numbers together, and all the variables

-2w-16=0

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

-2w=16

w=16/-2

w=-8

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