8-2b-11=21+9b

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Solution for 8-2b-11=21+9b equation: 



8-2b-11=21+9b

We move all terms to the left:

8-2b-11-(21+9b)=0

We add all the numbers together, and all the variables

-2b-(9b+21)+8-11=0

We add all the numbers together, and all the variables

-2b-(9b+21)-3=0

We get rid of parentheses

-2b-9b-21-3=0

We add all the numbers together, and all the variables

-11b-24=0

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

-11b=24

b=24/-11

b=-2+2/11

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