equation

#include<stdio.h>
int main()
{
    double X,Y,a1,a2,b1,b2,c1,c2;
    int t,i;
    scanf("%d",&t);
    for(i=0;i<t;i++)
    {
        scanf("%lf %lf %lf %lf %lf %lf",&a1,&b1,&c1,&a2,&b2,&c2);
        if(c1>0 || c1<0)
            {c1=-(c1);}
        if(c2>0 || c2<0)
            {c2=-(c2);}
        X=((b1*c2)-(b2*c1))/((a1*b2)-(a2*b1));
        Y=((c1*a2)-(c2*a1))/((a1*b2)-(a2*b1));
        printf("Case %d:\n",i+1);
        printf("X = %.2lf Y = %.2lf\n",X,Y);

    }
}