3.9+-n=1.8

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Solution for 3.9+-n=1.8 equation: 



3.9+-n=1.8

We move all terms to the left:

3.9+-n-(1.8)=0

We add all the numbers together, and all the variables

-1n+2.1=0

We move all terms containing n to the left, all other terms to the right

-n=-2.1

n=-2.1/-1

n=2+0.1/1

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