n+n+1=3n-11

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Solution for n+n+1=3n-11 equation: 



n+n+1=3n-11

We move all terms to the left:

n+n+1-(3n-11)=0

We add all the numbers together, and all the variables

2n-(3n-11)+1=0

We get rid of parentheses

2n-3n+11+1=0

We add all the numbers together, and all the variables

-1n+12=0

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

-n=-12

n=-12/-1

n=+12

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