n+(-2)=7

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Solution for n+(-2)=7 equation: 



n+(-2)=7

We move all terms to the left:

n+(-2)-(7)=0

determiningTheFunctionDomain
n-7+(-2)=0

We add all the numbers together, and all the variables

n-9=0

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

n=9

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