15=4n+7n

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Solution for 15=4n+7n equation: 



15=4n+7n

We move all terms to the left:

15-(4n+7n)=0

We add all the numbers together, and all the variables

-(+11n)+15=0

We get rid of parentheses

-11n+15=0

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

-11n=-15

n=-15/-11

n=1+4/11

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