-8+7-2w=9-7w

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Solution for -8+7-2w=9-7w equation: 



-8+7-2w=9-7w

We move all terms to the left:

-8+7-2w-(9-7w)=0

We add all the numbers together, and all the variables

-2w-(-7w+9)-8+7=0

We add all the numbers together, and all the variables

-2w-(-7w+9)-1=0

We get rid of parentheses

-2w+7w-9-1=0

We add all the numbers together, and all the variables

5w-10=0

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

5w=10

w=10/5

w=2

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