3(2b-1)=-21+5b

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Solution for 3(2b-1)=-21+5b equation: 



3(2b-1)=-21+5b

We move all terms to the left:

3(2b-1)-(-21+5b)=0

We add all the numbers together, and all the variables

3(2b-1)-(5b-21)=0

We multiply parentheses

6b-(5b-21)-3=0

We get rid of parentheses

6b-5b+21-3=0

We add all the numbers together, and all the variables

b+18=0

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

b=-18

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