9b+2b-9=5+7b+2

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Solution for 9b+2b-9=5+7b+2 equation: 



9b+2b-9=5+7b+2

We move all terms to the left:

9b+2b-9-(5+7b+2)=0

We add all the numbers together, and all the variables

9b+2b-(7b+7)-9=0

We add all the numbers together, and all the variables

11b-(7b+7)-9=0

We get rid of parentheses

11b-7b-7-9=0

We add all the numbers together, and all the variables

4b-16=0

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

4b=16

b=16/4

b=4

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