(n)+(n+1)+(n+2)=240

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Solution for (n)+(n+1)+(n+2)=240 equation: 



(n)+(n+1)+(n+2)=240

We move all terms to the left:

(n)+(n+1)+(n+2)-(240)=0

We get rid of parentheses

n+n+n+1+2-240=0

We add all the numbers together, and all the variables

3n-237=0

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

3n=237

n=237/3

n=79

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