Question 744953
consecutive positive integers: x, (x+2)


8 < x + (x + 2) < 24
8 < 2x + 2 < 24
6 < 2x < 22
3 < x < 11


solutions of x: x = 5, 7, 9


sets of integers: (5, 7), (7, 9), (9, 11)