-9b+7=9-4b

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



-9b+7=9-4b

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-9b+4b-9+7=0

We add all the numbers together, and all the variables

-5b-2=0

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

-5b=2

b=2/-5

b=-2/5

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