9 2x 1 27 3 July 8, 2019 16 32 64 128 9 2x 3 1 27 x 2 3 9 2x 1 3 27 x 9 2x 1 27 4 3x If 9 2x 1 3 27 x find x 27 x 9 2x 1 3 x 4 1 81 (- x 9 2x =( 27 3x 2 9 2x 1 3 3x 1 27 x 3 3 3 5x 9 2x 1 27 9 1 2x 2y )( 27 1 3y 1 3 1 6x 9 )= 1 2x 27 3 2x 1 9 27 find x 9 3x 1 27 2x 1 √ 3 9 2x 2 1 27 9 pangkat 2x 1 27 pangkat 4 3x