9b-39=2b+38

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Solution for 9b-39=2b+38 equation: 



9b-39=2b+38

We move all terms to the left:

9b-39-(2b+38)=0

We get rid of parentheses

9b-2b-38-39=0

We add all the numbers together, and all the variables

7b-77=0

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

7b=77

b=77/7

b=11

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