Systèmes d'équations Feuille de travail
Recommandé pour 8e année — Lycée
Systèmes d'équations Feuille de travail
Nom: ____________________Date: ____________
Instructions: Résolution de systèmes d'équations linéaires par substitution et élimination.
20 problèmes
- x + y = 11, x − y = 3 → x = ____, y = ____
- x + y = 8, x − y = 2 → x = ____, y = ____
- x + y = 8, x − y = 4 → x = ____, y = ____
- 2x + 9y = 73, x = 5 → y = ____
- 9x + 5y = 88, x = 7 → y = ____
- 9x + 5y = 117, x = 8 → y = ____
- x + y = 14, x − y = -4 → x = ____, y = ____
- x + y = 3, x − y = 1 → x = ____, y = ____
- 9x + 9y = 81, x = 3 → y = ____
- 7x + 3y = 24, x = 3 → y = ____
- x + y = 9, x − y = -3 → x = ____, y = ____
- x + y = 11, x − y = 5 → x = ____, y = ____
- 2x + 2y = 20, x = 3 → y = ____
- x + y = 10, x − y = -4 → x = ____, y = ____
- 9x + 8y = 86, x = 6 → y = ____
- x + y = 15, x − y = 3 → x = ____, y = ____
- x + y = 17, x − y = -1 → x = ____, y = ____
- 8x + 7y = 45, x = 3 → y = ____
- 3x + 2y = 39, x = 7 → y = ____
- x + y = 7, x − y = -3 → x = ____, y = ____