4n+3*7=81

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Solution for 4n+3*7=81 equation: 



4n+3*7=81

We move all terms to the left:

4n+3*7-(81)=0

determiningTheFunctionDomain
4n-81+3*7=0

We add all the numbers together, and all the variables

4n-60=0

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

4n=60

n=60/4

n=15

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