15 x y 3 x 9 5 x 6 0 July 8, 2019 16 32 64 128 15 x 3 / x = 9 3) 4) x = - 5/6 x = 2/15 y = - 9/4 y =-0 7 15 x 9 = 15 x 9 x 3
