n=15-2n

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Solution for n=15-2n equation: 



n=15-2n

We move all terms to the left:

n-(15-2n)=0

We add all the numbers together, and all the variables

n-(-2n+15)=0

We get rid of parentheses

n+2n-15=0

We add all the numbers together, and all the variables

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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