-b-9=9+6b-5b

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Solution for -b-9=9+6b-5b equation: 



-b-9=9+6b-5b

We move all terms to the left:

-b-9-(9+6b-5b)=0

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-1b-b-9-9=0

We add all the numbers together, and all the variables

-2b-18=0

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

-2b=18

b=18/-2

b=-9

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