-9b-1=-8b-9

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Solution for -9b-1=-8b-9 equation: 



-9b-1=-8b-9

We move all terms to the left:

-9b-1-(-8b-9)=0

We get rid of parentheses

-9b+8b+9-1=0

We add all the numbers together, and all the variables

-1b+8=0

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

-b=-8

b=-8/-1

b=+8

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