public void AnswerTest()
{
EquationSolver eqs = new EquationSolver("3x+2y+3z=0,2x+3y+4z=0,4x+6y+8z=0");
Assert.AreEqual("No Unique Solution", eqs.Answer());
eqs = new EquationSolver("4a+x+2y +3z = 5,2a+x+3y+7z=2,a+x+y+1.5z=3,2a+x+y+1.5z=3");
Assert.AreEqual("a=0.000,x=1.000,y=5.000,z=-2.000", eqs.Answer());
eqs = new EquationSolver("1x+2y+3z=1,4x + 5y + 6z = 2,7x + 8y + 9z = 3");
Assert.AreEqual("No Unique Solution", eqs.Answer());
eqs = new EquationSolver("3a+1b+2f+2r+9e=9,3a+9b+3f+3r+0e=1,3a+8b+5f+1r+2e=4,3a+7b+7f+4r+7e=5,3a+b+8f+2r+4e=4");
Assert.AreEqual("a=1.284,b=0.032,e=0.801,f=-0.166,r=-0.881", eqs.Answer());
eqs = new EquationSolver("2y+3x+z=1,4y + 6x + 2z = 1,7x + 8y + 9z = 3");
Assert.AreEqual("No Solution", eqs.Answer());
}
