3-1b=7b-9

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Solution for 3-1b=7b-9 equation: 



3-1b=7b-9

We move all terms to the left:

3-1b-(7b-9)=0

We get rid of parentheses

-1b-7b+9+3=0

We add all the numbers together, and all the variables

-8b+12=0

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

-8b=-12

b=-12/-8

b=1+1/2

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