7b-9b=5+3b

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Solution for 7b-9b=5+3b equation: 



7b-9b=5+3b

We move all terms to the left:

7b-9b-(5+3b)=0

We add all the numbers together, and all the variables

7b-9b-(3b+5)=0

We add all the numbers together, and all the variables

-2b-(3b+5)=0

We get rid of parentheses

-2b-3b-5=0

We add all the numbers together, and all the variables

-5b-5=0

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

-5b=5

b=5/-5

b=-1

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