Réponses

2014-06-05T18:43:58+02:00
5 - 9x = - 3x + 2
- 9x + 3x = 2 - 5
- 6x = - 3
x = 3/6
x = 1/3
2014-06-05T18:48:31+02:00
5-9x=-3x+2
-9x+3x= 2-5
-6x+-3
x=3/6
x=1/3 ( simplification de l'equation)

l'equation admet une unique solution 1/3