-b=-9b+8b

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



-b=-9b+8b

We move all terms to the left:

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

We add all the numbers together, and all the variables

-b-(-1b)=0

We add all the numbers together, and all the variables

-1b-(-1b)=0

We get rid of parentheses

-1b+1b=0

We add all the numbers together, and all the variables

=0

b=0/1

b=0

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