3=n-1+1

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Solution for 3=n-1+1 equation: 



3=n-1+1

We move all terms to the left:

3-(n-1+1)=0

We add all the numbers together, and all the variables

-(+n)+3=0

We get rid of parentheses

-n+3=0

We add all the numbers together, and all the variables

-1n+3=0

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

-n=-3

n=-3/-1

n=+3

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