X 9 27 81 July 8, 2019 16 32 64 128 If 27^x/9^y=81 what is the value of 3x-2y 9 27 x 1 81 27 x 9 y 81 9 27 mũ x 1 81 Dfrac 27 x 9 y = 81 9 x 8 = X × 9 = 27 X x 9 = 27