Réponses

Meilleure réponse !
2014-04-25T11:42:56+02:00
2 - 5x = 3x - 2/3 

2 + 2/3 = 3x+5x

2+2/3 = 8x

6/3+2/3 = 8x

8/3 = 8x

x = 1/3