4b-2+7b=9

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Solution for 4b-2+7b=9 equation: 



4b-2+7b=9

We move all terms to the left:

4b-2+7b-(9)=0

We add all the numbers together, and all the variables

11b-11=0

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

11b=11

b=11/11

b=1

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