3b+2=4b+9

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Solution for 3b+2=4b+9 equation: 



3b+2=4b+9

We move all terms to the left:

3b+2-(4b+9)=0

We get rid of parentheses

3b-4b-9+2=0

We add all the numbers together, and all the variables

-1b-7=0

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

-b=7

b=7/-1

b=-7

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