#include<iostream>
#include<cstdlib>
using namespace std;

void PremierDegre(float x,float c)
{
int a,b;
cout<<"entrer a,x,b pour resoudre l'equation a.x+b=0 "<<endl;
cin>>a>>b;
x=((-b)/a);
}

int main()
{
    int x,c;
    PremierDegre(x,c);
    return EXIT_SUCCESS;
}