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8-n/3=-7
We move all terms to the left:
8-n/3-(-7)=0
We add all the numbers together, and all the variables
-n/3+15=0
We multiply all the terms by the denominator
-n+15*3=0
We add all the numbers together, and all the variables
-1n+45=0
We move all terms containing n to the left, all other terms to the right
-n=-45
n=-45/-1
n=+45
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