-9+9b=5+7b

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



-9+9b=5+7b

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

9b-7b-5-9=0

We add all the numbers together, and all the variables

2b-14=0

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

2b=14

b=14/2

b=7

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