86=5+9b

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Solution for 86=5+9b equation: 



86=5+9b

We move all terms to the left:

86-(5+9b)=0

We add all the numbers together, and all the variables

-(9b+5)+86=0

We get rid of parentheses

-9b-5+86=0

We add all the numbers together, and all the variables

-9b+81=0

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

-9b=-81

b=-81/-9

b=+9

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