-8b=9-7b

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



-8b=9-7b

We move all terms to the left:

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

We add all the numbers together, and all the variables

-8b-(-7b+9)=0

We get rid of parentheses

-8b+7b-9=0

We add all the numbers together, and all the variables

-1b-9=0

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

-b=9

b=9/-1

b=-9

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