Równanie liniowe(dokonczyc)

#include <iostream>
#include <cmath>
using namespace std;
/* run this program using the console pauser or add your own getch, system("pause") or input loop */

int main(int argc, char** argv) {
        float a1,a2,b1,b2,c1,c2,w,wx,wy,x,y;

        cout<<"podaj a1,b1,c1"<<endl;
        cin>>a1;
        cin>>b1;
        cin>>c1;
        cout<<"podaj  a2,b2,c2"<<endl;
        cin>>a2;
        cin>>b2;
        cin>>c2;
        cout<<"Równanie ma postać"<<endl;
        cout<<a1<<"x"<<"+"<<b1<<"y"<<"="<<c1<<endl;
        cout<<a2<<"x"<<"+"<<b2<<"y"<<"="<<c2<<endl;

        w=(a1*b2) - (a2*b1);
        wx=(c1*b2)-(c2*b1);
        wy=(a1*c2)-(a2*c1);

        cout<<"W="<<w<<endl;
        cout<<"Wx="<<wx<<endl;
        cout<<"Wy="<<wy<<endl;

     // if (w=!0)
        { x=wx/w;
         y=wy/w;
        cout<<x<<endl;
        cout<<y<<endl;}





        return 0;
}