This test: 95 point(s) possible This question: 5 point(s) possible Submit test Find the equation(s) of the tangent line(s) to the graph of the indicated equation at the point(s) with the given value of X. xy - 2x - 16 =0; X =4 . . . Find the equation(s) of the tangent line(s) to the graph of the given equation at x = 4. (Type an equation. Use a comma to separate answers as needed.)