9b+18=3b

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Solution for 9b+18=3b equation: 



9b+18=3b

We move all terms to the left:

9b+18-(3b)=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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