Three persons A, B, and C invested amount Rs.(x + 2000), Rs. (x + 1500) and Rs. (3x + 500).After 6 months A invested Rs.2000 more and B invested Rs. 1500 more and after another 2 months C withdrew Rs. 1500 at the end of the year. The profit share of A, B and C are 20: 17: 24. Find the value of x.