27-2b=3b-21

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Solution for 27-2b=3b-21 equation: 



27-2b=3b-21

We move all terms to the left:

27-2b-(3b-21)=0

We get rid of parentheses

-2b-3b+21+27=0

We add all the numbers together, and all the variables

-5b+48=0

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

-5b=-48

b=-48/-5

b=9+3/5

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