3n+1n=9

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Solution for 3n+1n=9 equation: 



3n+1n=9

We move all terms to the left:

3n+1n-(9)=0

We add all the numbers together, and all the variables

4n-9=0

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

4n=9

n=9/4

n=2+1/4

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