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8.6+1.5n=17.7
We move all terms to the left:
8.6+1.5n-(17.7)=0
We add all the numbers together, and all the variables
1.5n-9.1=0
We move all terms containing n to the left, all other terms to the right
1.5n=9.1
n=9.1/1.5
n=6+0.1/1.5
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