-9b-4=2b+7

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



-9b-4=2b+7

We move all terms to the left:

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

We get rid of parentheses

-9b-2b-7-4=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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