Réponses

2014-09-08T18:56:09+02:00
x + 3 (2x - 1) = 7 - 4 (x - 1)
x + 6x - 3 = 7 - 4x + 4
x + 6x + 4x = 7 + 4 + 3
11x = 14
x = 14/11
  • Utilisateur Brainly
2014-09-08T19:00:04+02:00
X + 3(2x - 1) = 7 - 4(x - 1)
x + 6x - 3 = 7 - 4x + 4
x + 6x + 4x = 7 + 4 + 3
11x = 14
x = 14/11