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3.38n+n=2.78
We move all terms to the left:
3.38n+n-(2.78)=0
We add all the numbers together, and all the variables
4.38n-2.78=0
We move all terms containing n to the left, all other terms to the right
4.38n=2.78
n=2.78/4.38
n=1/1.57553956835
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