31n-117=286

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Solution for 31n-117=286 equation: 



31n-117=286

We move all terms to the left:

31n-117-(286)=0

We add all the numbers together, and all the variables

31n-403=0

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

31n=403

n=403/31

n=13

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