Which system of equations is equivalent to the system of equations shown? 2x - 4y = 12 3x - 5y = 20 A) 5x - 9y = 32 and 6x - 10y = 40 B) 5x + 9y = 32 and 6x - 10y = -40 C) 5x - 9y = 32 and 6x + 10y = 40 D) 5x - 9y = 32 and 6x - 10y = -40