0004:Simultaneous Equation
#include<iostream> #include<cstdio> using namespace std; int main(void){ double x,y; double a,b,c,d,e,f; while(cin >> a >> b >> c >> d >> e >> f){ x=(c*e-b*f)/(a*e-b*d); y=(c*d-a*f)/(b*d-a*e); if(x==-0)x=0; if(y==-0)y=0; printf("%.3f %.3f\n",x,y); } return 0; }