3n-n=102

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Solution for 3n-n=102 equation: 



3n-n=102

We move all terms to the left:

3n-n-(102)=0

We add all the numbers together, and all the variables

2n-102=0

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

2n=102

n=102/2

n=51

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