3b-9=1+2b

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Solution for 3b-9=1+2b equation: 



3b-9=1+2b

We move all terms to the left:

3b-9-(1+2b)=0

We add all the numbers together, and all the variables

3b-(2b+1)-9=0

We get rid of parentheses

3b-2b-1-9=0

We add all the numbers together, and all the variables

b-10=0

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

b=10

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