Hi,
Three years ago a man was eight times as old as his son age 
In two years he will be four and a half time as old as the son
Question ALSO states*** Using 5 years from 3 years ago...
8x + 5 = 9/2(x+5) |Multiplying thru by 2 so as all denominators = 1
16x +10 = 9x + 45
7x = 35
x = 5, son's age 3 years ago, father was 40
Presently the son is 8 and the father is 43
and...2 years from mow, checking our Answer
