3n-9=-7

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Solution for 3n-9=-7 equation: 



3n-9=-7

We move all terms to the left:

3n-9-(-7)=0

We add all the numbers together, and all the variables

3n-2=0

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

3n=2

n=2/3

n=2/3

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