5n+7=81

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Solution for 5n+7=81 equation: 



5n+7=81

We move all terms to the left:

5n+7-(81)=0

We add all the numbers together, and all the variables

5n-74=0

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

5n=74

n=74/5

n=14+4/5

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