n-(-7)=9

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Solution for n-(-7)=9 equation: 



n-(-7)=9

We move all terms to the left:

n-(-7)-(9)=0

determiningTheFunctionDomain
n-9-(-7)=0

We add all the numbers together, and all the variables

n-2=0

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

n=2

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