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1.4n-0.3=8.1
We move all terms to the left:
1.4n-0.3-(8.1)=0
We add all the numbers together, and all the variables
1.4n-8.4=0
We move all terms containing n to the left, all other terms to the right
1.4n=8.4
n=8.4/1.4
n=6+1.7763568394E-15/1.4
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