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-9+n/7=-2
We move all terms to the left:
-9+n/7-(-2)=0
We add all the numbers together, and all the variables
n/7-7=0
We multiply all the terms by the denominator
n-7*7=0
We add all the numbers together, and all the variables
n-49=0
We move all terms containing n to the left, all other terms to the right
n=49
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