#include <iostream>
using namespace std;
int main()
{
float a1, b1, c1, a2, b2, c2, x, y, d, dx, dy;
cout << "a1="; cin >> a1;
cout << "b1="; cin >> b1;
cout << "c1="; cin >> c1;
cout << "a2="; cin >> a2;
cout << "b2="; cin >> b2;
cout << "c2="; cin >> c2;
d=a1*b2-a2*b1;
dx=c1*b2-c2*b1;
dy=a1*c2-a2*c1;
if (d!=0)
{
cout << "sistemul are o unica solutie: " << "\n";
x=dx/d; y=dy/d;
cout << "x=" << x << "\n";
cout << "y=" << y << "\n";
}
else
{
if (dx==0 && dy==0) cout << "are o infinitate de solutii";
else cout << "n-are solutii";
}
return 0;
}