3b-9=15b=

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Solution for 3b-9=15b= equation: 



3b-9=15b=

We move all terms to the left:

3b-9-(15b)=0

We add all the numbers together, and all the variables

-12b-9=0

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

-12b=9

b=9/-12

b=-3/4

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