4x 1 7 2x 3 July 8, 2019 16 32 64 128 4x 1 7 2x 3 trouver x 3x 2 4x 1 )= 7 2x 3 3 4x 1 )= 7 2x 5 3x 12 4x 1 7 2x 10 3x 4x y 7 2x 3y 1 2x 3 6 4x 1 7 4x+3y=7 x 2x-y =1 find the of xy 4x 2 3x 7 2x 1 4x 1 3 2x 1 2 3x 7 5 6 7 4x 3x 5 6x 1 2x 3 4x 7 1 2 2x 3 1 2x 7 3 4x 15 4x 8 7 2x 3x 1 1 2x 7 3 4x 8 1 2x 7 3 4x 9
