b-9b=13

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Solution for b-9b=13 equation: 



b-9b=13

We move all terms to the left:

b-9b-(13)=0

We add all the numbers together, and all the variables

-8b-13=0

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

-8b=13

b=13/-8

b=-1+5/8

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