21-b=11b=

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Solution for 21-b=11b= equation: 



21-b=11b=

We move all terms to the left:

21-b-(11b)=0

We add all the numbers together, and all the variables

-12b+21=0

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

-12b=-21

b=-21/-12

b=1+3/4

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