15-3n=72

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Solution for 15-3n=72 equation: 



15-3n=72

We move all terms to the left:

15-3n-(72)=0

We add all the numbers together, and all the variables

-3n-57=0

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

-3n=57

n=57/-3

n=-19

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