#include <iostream>
using namespace std;
int main(){
double x=0,a,b;
cout<<"Dati coef. a:";
cin>>a;
cout<<"Dati coef. b:";
cin>>b;
cout<<"Ecuatia obtinuta: "<<a<<"X";
if(b<0){
cout<<b<<"=0"<<endl;
} else if(b>0){
cout<<"+"<<b<<"=0"<<endl;;
}
if((b>0 && a>0)||(b<0 && a<0)|| (b<0 && a>0)){
x=(-b/a);
}
if((b>0 && a<0)){
x=b/a;
}
if(b>0 && a<0){
x=b/-a;
}
if(b==0 || a==0){
x=0;
}
cout<<"X="<<x;
return 0;
}
