7-9w=-8w

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Solution for 7-9w=-8w equation: 



7-9w=-8w

We move all terms to the left:

7-9w-(-8w)=0

We get rid of parentheses

-9w+8w+7=0

We add all the numbers together, and all the variables

-1w+7=0

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

-w=-7

w=-7/-1

w=+7

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