#include<stdio.h>
#include<conio.h>
void main()
{
  float a,b,x;
  clrscr();
  printf("enter the values of a and b:\n");
  scanf("%f%f",&a,&b);
  printf("enter the value of x:");
  scanf("%f",&x);
  printf("the value of: (a*x+b)/(a*x-b):\n %f",(a*x+b)/(a*x-b));
  getch();
}