16. Determine the value of d that would cause the following system to have more than one solution. 5a + 6b + c = 9 3a - 2b + 2c = 3 2a + 86 - c = d A) 4 B) 5 C) *6 D) 7 E) None of the above. 17. Determine whether the system is overdetermined or underdetermined, then solve the system. 3x + 1ly - 82 = 5 7x - 12y + 5z = 39 A) The system is overdetermined and has a solution of ( 41 t, 71 t 82 1 13 , t ), - 00