-15=-4n+n

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Solution for -15=-4n+n equation: 



-15=-4n+n

We move all terms to the left:

-15-(-4n+n)=0

We add all the numbers together, and all the variables

-(-3n)-15=0

We get rid of parentheses

3n-15=0

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

3n=15

n=15/3

n=5

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