3 4x 7 1 2x July 8, 2019 16 32 64 128 3 4x 1 )= 7 2x 5 7 1 2x 3 4x 2 3x 2x 3 6 4x 1 7 2x 6 1 4 3 4x 7 1 2 1 2x 13 3 4x 7 3 4x 7 2x 1 2 3 4x 4 7 1 2x 4 3 4x 2 )= 7 1 2x 8 2 3 4x 7 )- 3 1 2x 5 2x 3 7 4x 1 15 4x 1 7 2x 3 trouver x 7 4x 3 x2 1 2x2 X 3 4x 7 x 2 2x 1 3 2x 1 )-( 4x 7 )= 40 4x 7 2x 1 x 3 x 4 68x