-2b-11=b+21+9b

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



-2b-11=b+21+9b

We move all terms to the left:

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

We add all the numbers together, and all the variables

-2b-(10b+21)-11=0

We get rid of parentheses

-2b-10b-21-11=0

We add all the numbers together, and all the variables

-12b-32=0

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

-12b=32

b=32/-12

b=-2+2/3

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