7b-9=5+9b

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



7b-9=5+9b

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

7b-9b-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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