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-0.4n=6.8
We move all terms to the left:
-0.4n-(6.8)=0
We add all the numbers together, and all the variables
-0.4n-6.8=0
We move all terms containing n to the left, all other terms to the right
-0.4n=6.8
n=6.8/-0.4
n=-17+-8.8817841970013E-16/0.4
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