Réponses

2014-04-09T17:29:37+02:00
13x * 2 = 0

13x + 2
13x = - 2
x = -2/13

13x - 2

13x = 2
x = 2/13
2014-04-09T17:33:26+02:00
Voila je crois que c sa :^^
13x + 2 
13x = - 2
x = -2/13

13x - 2 

13x = 2
x = 2/13