5n-4=81

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Solution for 5n-4=81 equation: 



5n-4=81

We move all terms to the left:

5n-4-(81)=0

We add all the numbers together, and all the variables

5n-85=0

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

5n=85

n=85/5

n=17

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