n+n+n=75

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Solution for n+n+n=75 equation: 



n+n+n=75

We move all terms to the left:

n+n+n-(75)=0

We add all the numbers together, and all the variables

3n-75=0

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

3n=75

n=75/3

n=25

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