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