The sum of five continuous natural numbers is 120. What is the smallest one? The formula,

The sum of five continuous natural numbers is 120. What is the smallest one? The formula,

Let X be the smallest, and the five numbers are x, x + 1, x + 2, x + 3, x + 4 in turn
x+x+1+x+2+x+3+x+4=120;
5x+10=120;
x=22;
The minimum is 22