C programming

#include #include #include void main() { int a1,a2,a3,b1,b2,b3,c1,c2,c3,d1,d2,d3,m1,n1,o1,p1,q1,r1,s1,t1,m2; int n2,o2,p2,q3,r3,s3,t3; clrscr(); printf("\n\nEnter first equation: "); scanf("%d %*c %d %*c %d %*c %*c %d",&a1,&b1,&c1,&d1); printf("\n\nEnter second equation: "); scanf("%d%*c%d%*c%d%*c%*c%d",&a2,&b2,&c2,&d2); printf("\n\nEnter third equation: "); scanf("%d%*c%d%*c%d%*c%*c%d",&a3,&b3,&c3,&d3); delay(500); printf("\n\nThe equation are :"); printf("\n\n %dX %dY %dZ=%d",a1,b1,c1,d1); printf("\n\n %dX %dY %dZ=%d",a2,b2,c2,d2); printf("\n\n %dX %dY %dZ=%d",a3,b3,c3,d3); m1=a1*a2;n1=b1*a2;o1=c1*a2;p1=d1*a2; m2=a1*a2;n2=b2*a1;o2=c2*a1;p2=d2*a1; q1=a1*a3;r1=b1*a3;s1=c1*a3;t1=d1*a3; q3=a3*a1;r3=b3*a1;s3=c3*a1;t3=d3*a1; if(m1!=m2) { b2=n1+n2; c2=o1+o2; d2=p1+p2; } else { b2=n1-n2; c2=o1-o2; d2=p1-p2; } if(q1!=q3) { b3=r1+r3; c3=s1+s3; d3=t1+t3; } else { b3=r1-r3; c3=s1-s3; d3=t1-t3; } delay(500); printf("\n\nThe equation are :"); printf("\n\n %dX %dY %dZ=%d",a1,b1,c1,d1); printf("\n\n %dY %dZ=%d",b2,c2,d2); printf("\n\n %dY %dZ=%d",b3,c3,d3); m1=a1*b2;n1=b1*b2;o1=c1*b2;p1=d1*b2; n2=b2*b1;o2=c2*b1;p2=d2*b1; if(n1!=n2) { a1=m1; c1=o1+o2; d1=p1+p2; } else { a1=m1; c1=o1-o2; d1=p1-p2; } n2=b2*b3;o2=c2*b3;p2=d2*b3; r3=b3*b2;s3=c3*b2; t3=d3*b2; if(n2!=r3) { c3=o2+s3; d3=p2+t3; } else { c3=o2-s3; d3=p2-t3; } delay(500); printf("\n\nThe equation are:"); printf("\n\n %dX %dZ=%d",a1,c1,d1); printf("\n\n %dY %dZ=%d",b2,c2,d2); printf("\n\n %dZ=%d",c3,d3); int z=d3/c3; int x=(d1-(c1*z))/a1; int y=(d2-(c2*z))/b2; delay(500); printf("\nThe root of this equqtions: "); printf(" X=%d Y=%d Z=%d",x,y,z); getch(); }