Respuesta :

x=small number x+1= second x+2= third 3x+3=72 3x=69 x=23 smallest number

Answer: 23

Step-by-step explanation:

3x + 3 = 72

3x + 3 - 3 = 72 - 3

3x = 69

3x ÷ 3 = 69 ÷ 3

x = 23