-1-7b=-9-8b

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Solution for -1-7b=-9-8b equation: 



-1-7b=-9-8b

We move all terms to the left:

-1-7b-(-9-8b)=0

We add all the numbers together, and all the variables

-7b-(-8b-9)-1=0

We get rid of parentheses

-7b+8b+9-1=0

We add all the numbers together, and all the variables

b+8=0

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

b=-8

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