(n+8)+(n-12)=n

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Solution for (n+8)+(n-12)=n equation: 



(n+8)+(n-12)=n

We move all terms to the left:

(n+8)+(n-12)-(n)=0

We add all the numbers together, and all the variables

-1n+(n+8)+(n-12)=0

We get rid of parentheses

-1n+n+n+8-12=0

We add all the numbers together, and all the variables

n-4=0

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

n=4

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