Exercice 7: Réduire sans justifier. (3 points)
A= 3x + 4x =
B = Gx - 5x =
C = 2x + x =
D = 5x-2x =
E = 2x-X =
F = 3x + 4-57-3 =
Svppp aider moi je ne comprend rrrrien