Q. Solve three equation of X,Y,Z ?

 THE OUTPUT WOULD BE

#include<stdio.h>
#include<conio.h>
  void main( )
  {      clrscr( );
          int a[3][3],j,i,d,m1[3][3],m2[3][3],m3[3][3],k;
          printf("General form of equation is aX+bY+cZ=D\n");
          printf("Enter the cofficient of X,Y,Z is given in three equation\n");
          for(i=1;i<=3;i++)
          { for(j=1;j<=3;j++)
            { scanf("%d",&a[i][j]);
            }
          }
          m1[1][1]=(a[2][2]*a[3][3]-a[3][2]*a[2][3]);
          m1[1][2]=(a[1][3]*a[3][2]-a[1][2]*a[3][3]);
          m1[1][3]=(a[1][2]*a[2][3]-a[1][3]*a[2][2]);
          m1[2][1]=(a[2][3]*a[3][1]-a[2][1]*a[3][3]);
          m1[2][2]=(a[1][1]*a[3][3]-a[1][3]*a[3][1]);
          m1[2][3]=(a[1][3]*a[2][1]-a[1][1]*a[2][3]);
          m1[3][1]=(a[2][1]*a[3][2]-a[3][1]*a[2][2]);
          m1[3][2]=(a[1][2]*a[3][1]-a[1][1]*a[3][2]);
          m1[3][3]=(a[1][1]*a[2][2]-a[1][2]*a[2][1]);
         d=a[1][1]*(a[2][2]*a[3][3]-a[2][3]*a[3][2])-a[1][2]*(a[2][1]*a[3][3]-a[3][1]*a[2][3])+a[1][3]*(a[2][1]*a[3][2]-a[2][2]*a[3][1]);
         m1[i][j]=m1[j][i];
         printf("Enter the values of D1,D2,D3\n");
         for(i=1;i<=3;i++)
          { for(j=1;j<2;j++)
            { scanf("%d",&m2[i][j]);
            }
          }
          for(i=1;i<=3;i++)
          { for(j=1;j<2;j++)
            { m3[i][j]=0;
               for(k=1;k<=3;k++)
               { m3[i][j]=m3[i][j]+m1[i][k]*m2[k][j];
               }
            }
          }
          printf("\nThe value of X,Y,Z is given as\n");
          for(i=1;i<=3;i++)
          { for(j=1;j<2;j++)
            { printf("%d/%d\t",m3[i][j],d);
            }
            printf("\n");
          }
          getch( );
}