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3n-13.5=2.8
We move all terms to the left:
3n-13.5-(2.8)=0
We add all the numbers together, and all the variables
3n-16.3=0
We move all terms containing n to the left, all other terms to the right
3n=16.3
n=16.3/3
n=5+1/2.3076923076923
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