2b+9b=20

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Solution for 2b+9b=20 equation: 



2b+9b=20

We move all terms to the left:

2b+9b-(20)=0

We add all the numbers together, and all the variables

11b-20=0

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

11b=20

b=20/11

b=1+9/11

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