9b+12+5b=30

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Solution for 9b+12+5b=30 equation: 



9b+12+5b=30

We move all terms to the left:

9b+12+5b-(30)=0

We add all the numbers together, and all the variables

14b-18=0

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

14b=18

b=18/14

b=1+2/7

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