int main() { float a, b, x; std::cout << "Cet algorithme calcule les solutions de l'équation a*x+b=0" << std::endl; std::cout << "Entrez a:"; std::cin >> a; std::cout << "Entrez b:"; std::cin >> b; if ((a == 0) && (b == 0)) { std::cout <<"Resultat: infinite de solutions" << std::endl; } if ((a == 0) && (b != 0)) { std::cout <<"Resultat: aucune solution" << std::endl; } if (a != 0) { x = -b / a; std::cout << "Resultat: x =" << x << std::endl; std::cout << "Verification: " << a <<"*"<