39-2n=n

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Solution for 39-2n=n equation: 



39-2n=n

We move all terms to the left:

39-2n-(n)=0

We add all the numbers together, and all the variables

-3n+39=0

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

-3n=-39

n=-39/-3

n=+13

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