2 x 3 9x 1 July 8, 2019 16 32 64 128 2 x 3 )+ 5x ≤ 9x 14 X 3 9x 2 18x X 3 9x 2 10x X 3 9x 2 15x 7 0 X 3 9x 2 14x 0 X 3 9x 2 14x X 3 9x 2 11x 21 X 3 9x 2 15x 25 X 3 2 9x 18 X 3 9x 2 15x 25 0 X 3 9x 2 11x 21 0 X 3 9x 2 15x 2x 3 9x 2 13x 6 2x 3 9x 2 12x 2x 3 9x 2 11x 30
