8-7w=-9w

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



8-7w=-9w

We move all terms to the left:

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

We get rid of parentheses

-7w+9w+8=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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