let x be the unknown number.
0.5x + 2 = 24
0.5x + 2 - 2 = 24 - 2
0.5x = 22
0.5x / 0.5 = 22/0.5
x = 44
Answer: x = 44
*note: if 22 was being multiplied by 0.5 than that would be 11 but, because it is being divided by 0.5 it is going to be the opposite, 44.
*Hope that helps :)