4=5n+9n

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Solution for 4=5n+9n equation: 



4=5n+9n

We move all terms to the left:

4-(5n+9n)=0

We add all the numbers together, and all the variables

-(+14n)+4=0

We get rid of parentheses

-14n+4=0

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

-14n=-4

n=-4/-14

n=2/7

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