3x 7 2x 8 4x July 8, 2019 16 32 64 128 4x 8 )-( 3x 7 2x 3 3x 7 ≤ 4x 8 or 2x 3 ≥ 1 4x 8 7 2x 3x 1 2x 7 4 3x 3 5x 8 4x 3x 2 2x 8 )-( 2x 2 4x 7 A 3x 7 2x 5 b 7x 8 4x 10 Developper 4x 8 )-( 3x 7 2x 3