2b+11b=21

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Solution for 2b+11b=21 equation: 



2b+11b=21

We move all terms to the left:

2b+11b-(21)=0

We add all the numbers together, and all the variables

13b-21=0

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

13b=21

b=21/13

b=1+8/13

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