3b-18=9b

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Solution for 3b-18=9b equation: 



3b-18=9b

We move all terms to the left:

3b-18-(9b)=0

We add all the numbers together, and all the variables

-6b-18=0

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

-6b=18

b=18/-6

b=-3

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