9+7N=-9b

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



9+7=-9N

We move all terms to the left:

9+7-(-9N)=0

We add all the numbers together, and all the variables

-(-9N)+16=0

We get rid of parentheses

9N+16=0

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

9N=-16

N=-16/9

N=-1+7/9

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