Réponses

  • Utilisateur Brainly
2014-09-14T22:06:19+02:00
2/3x - 1 = 2x
- 1 = 2x - 2/3x
- 1 = 6/3x - 2/3x
- 1 = 4/3x
4/3x = - 1
x = - 1 : 4/3
x = - 1 * 3/4
x = - 3/4