27-9b+3b=15+6

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Solution for 27-9b+3b=15+6 equation: 



27-9b+3b=15+6

We move all terms to the left:

27-9b+3b-(15+6)=0

We add all the numbers together, and all the variables

-9b+3b+27-21=0

We add all the numbers together, and all the variables

-6b+6=0

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

-6b=-6

b=-6/-6

b=1

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