static void Main(string[] args)
{
Console.WriteLine("I want to find a solution of system of:\n 1) TWO linear equations \n 2) THREE linear equations");
int userChoice = Convert.ToInt32(Console.ReadLine());
if (userChoice == 1)
{
double x1;
double x2;
Equation eq = new Equation();
IMatrix2x2 eq2 = (IMatrix2x2)eq;
eq2.SetValues(ref eq);
eq2.Solution(out x1, out x2);
Console.WriteLine();
eq2.EquationOutput();
Console.WriteLine();
Console.WriteLine($"x = {x1}, y = {x2}");
}
else if (userChoice == 2)
{
double x1;
double x2;
double x3;
Equation eq = new Equation();
IMatrix3x3 eq3 = (IMatrix3x3)eq;
eq3.SetValues(ref eq);
eq3.Solution(out x1, out x2, out x3);
Console.WriteLine();
eq3.EquationOutput();
Console.WriteLine($"x = {x1}, y = {x2}, z = {x3}");
}
else
{
Console.WriteLine("Try again!");
}
}
