public static void Main()
for (double x = -1000; x < 1000; x = x + paso)
for (double y = -1000; y < 1000; y = y + paso)
for (double z=-1000; z < 1000; z = z + paso)
if (80 == x+y+z & 22 == x-(2*z) & y==x+1)
Console.WriteLine("La solucion x"+ x + " y=" + y + "z" + z);