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-20.5-5.5n=27.9
We move all terms to the left:
-20.5-5.5n-(27.9)=0
We add all the numbers together, and all the variables
-5.5n-48.4=0
We move all terms containing n to the left, all other terms to the right
-5.5n=48.4
n=48.4/-5.5
n=-8+3.14285714286/3.92857142857
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