13n=42+81

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Solution for 13n=42+81 equation: 



13n=42+81

We move all terms to the left:

13n-(42+81)=0

We add all the numbers together, and all the variables

13n-123=0

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

13n=123

n=123/13

n=9+6/13

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