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 = 7, x − y = 5 → x = ____, y = ____
- 3x + 1y = 22, x = 5 → y = ____
- x + y = 7, x − y = -1 → x = ____, y = ____
- 7x + 5y = 46, x = 3 → y = ____
- 3x + 4y = 30, x = 2 → y = ____
- 5x + 8y = 53, x = 9 → y = ____
- x + y = 14, x − y = -2 → x = ____, y = ____
- 7x + 2y = 65, x = 9 → y = ____
- 4x + 5y = 67, x = 8 → y = ____
- 8x + 2y = 20, x = 1 → y = ____
- 6x + 7y = 92, x = 6 → y = ____
- 8x + 8y = 48, x = 3 → y = ____
- x + y = 6, x − y = 2 → x = ____, y = ____
- 2x + 8y = 20, x = 2 → y = ____
- x + y = 5, x − y = -1 → x = ____, y = ____
- x + y = 16, x − y = -2 → x = ____, y = ____
- x + y = 4, x − y = -2 → x = ____, y = ____
- x + y = 9, x − y = -3 → x = ____, y = ____
- x + y = 13, x − y = -5 → x = ____, y = ____
- 3x + 9y = 66, x = 7 → y = ____