81 * 3 x 1 9 July 8, 2019 16 32 64 128 13 3 x 81 1 3 x 9 81 1 4 x 9 3 2 Solve for x 3 81 x 3 9x 1 9x 3 x 9 81 5x 1 2 x 1 3 9 81 81+ x 11 81 / x = 3 81 × 9