3(b-1)=18-3b

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Solution for 3(b-1)=18-3b equation: 



3(b-1)=18-3b

We move all terms to the left:

3(b-1)-(18-3b)=0

We add all the numbers together, and all the variables

3(b-1)-(-3b+18)=0

We multiply parentheses

3b-(-3b+18)-3=0

We get rid of parentheses

3b+3b-18-3=0

We add all the numbers together, and all the variables

6b-21=0

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

6b=21

b=21/6

b=3+1/2

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