bonsoir
A = 1 + 2 - x = - x + 3
B = 2 x - 4 + 5 x - 6 = 7 x - 10
C = 2.6 x + 4 - 7 x = - 4.4 x + 4
D = 7 - 3 x + 2.4 x - 5 = 9.4 x - 8
E = 4 + 2 x + 3 = 2 x + 7
F = 5 x - 3 + 4 x = 9 x - 3
G = x - 4 - 6 = x - 10
H = 3 x + 1 + x - 3 = 4 x - 2
