5b-9=3+4b

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Solution for 5b-9=3+4b equation: 



5b-9=3+4b

We move all terms to the left:

5b-9-(3+4b)=0

We add all the numbers together, and all the variables

5b-(4b+3)-9=0

We get rid of parentheses

5b-4b-3-9=0

We add all the numbers together, and all the variables

b-12=0

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

b=12

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