#include <stdio.h>
#include<math.h>


int main(){
    int a, b, c, d, e, f;
    float D, Dx, Dy, x, y;
    printf("a*x + b*y = c");
    printf("\nd*x + e*y = f");

    printf("\nNhap a: ");
    scanf("%f",&a);
    printf("%f",a );

    printf("\nNhap b: ");
    scanf("%f",&b);
       printf("%f",b );

    printf("\nNhap c: ");
    scanf("%f",&c);
   printf("%f",c );

    printf("\nNhap d: ");
    scanf("%f",&d);
       printf("%f",d );

    printf("\nNhap e: ");
    scanf("%f",&e);
       printf("%f",e );


    printf("\nNhap f: ");
    scanf("%f",&f);
       printf("%f",f );

    
}