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2n+2.1=5.3
We move all terms to the left:
2n+2.1-(5.3)=0
We add all the numbers together, and all the variables
2n-3.2=0
We move all terms containing n to the left, all other terms to the right
2n=3.2
n=3.2/2
n=1+1/1.6666666666667
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