Réponses

  • Utilisateur Brainly
2014-10-12T12:20:00+02:00
2 x (- 4) + 3 = - 8 + 3 = - 5
- 4 - 1 = - 5
Donc - 4 est solution.

4(x - 1) = 2x - 8
4x - 4 = 2x - 8
4x - 2x = - 8 + 4
2x = - 4
x = - 4/2
x = - 2