Consider the system of equations tx - 2sy + 54 = 0 -tx + sy 3 = 0 = for (x, y) in terms of (t, s) near the point (t, s) = (1, 5) where the solution is (x, y) Find the values of ???? (1,5) = t ????x s t (1,5) = (1,5) = (-1,5) = s (2, 1).