15-4n=81

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Solution for 15-4n=81 equation: 



15-4n=81

We move all terms to the left:

15-4n-(81)=0

We add all the numbers together, and all the variables

-4n-66=0

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

-4n=66

n=66/-4

n=-16+1/2

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