3 2x 9 1 2 July 8, 2019 16 32 64 128 3 2x 9 )+ 1 2 4x 8 )= 55 3 2x 1 9 x 2 3 2x 1 9 2x Log 2 3 2x 9 )=- 1 Cosп 2x 9 )/ 3 1 2 X 3 2x 9 x 6 1 2 3 2x 1 28 * 3 x 9 0 3 2x 3 9 x 1 27 2x 3 675 3 2x 2 9x 2 1 9 2 2x 3 9 2 x 1 0 3 2x 1 9 27 3 2x 1 9 27 find x If 3 2x 1 9 27 find x If 3 2x + 1 ÷ 9 = 27 1 3 1 2x 9 )= 1 2 x 18