Réponses

Meilleure réponse !
2013-10-12T18:59:16+02:00
1) x + 3/4 = -5/12
x = -5/12 - 3/4
x = -5/12 - 9/12
x = -7/6

2) x - 1/4 = 7/16
x = 7/16 + 1/4
x = 7/16 + 4/16
x = 11/16

3) 2/3 + x = 5
x = 5 - 2/3
x = 13/3