Réponses

2013-05-13T18:48:42+02:00
2013-05-13T18:49:48+02:00

5/2x + 2 = x + 6

2,5x + 2 - 2 = x + 6 - 2

2,5x - x = x + 4 - x

1,5x / 1,5 = 4/1,5

x = 4/1,5