b-1=2b-30

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Solution for b-1=2b-30 equation: 



b-1=2b-30

We move all terms to the left:

b-1-(2b-30)=0

We get rid of parentheses

b-2b+30-1=0

We add all the numbers together, and all the variables

-1b+29=0

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

-b=-29

b=-29/-1

b=+29

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