n+1+2n=22

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Solution for n+1+2n=22 equation: 



n+1+2n=22

We move all terms to the left:

n+1+2n-(22)=0

We add all the numbers together, and all the variables

3n-21=0

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

3n=21

n=21/3

n=7

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