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
- 4x + 9y = 81, x = 9 → y = ____
- 3x + 4y = 44, x = 4 → y = ____
- x + y = 12, x − y = -2 → x = ____, y = ____
- 7x + 9y = 109, x = 4 → y = ____
- x + y = 5, x − y = 3 → x = ____, y = ____
- 3x + 5y = 33, x = 6 → y = ____
- x + y = 5, x − y = -3 → x = ____, y = ____
- 7x + 8y = 68, x = 4 → y = ____
- x + y = 8, x − y = 4 → x = ____, y = ____
- 6x + 1y = 50, x = 7 → y = ____
- 7x + 4y = 95, x = 9 → y = ____
- 2x + 2y = 22, x = 7 → y = ____
- x + y = 9, x − y = 7 → x = ____, y = ____
- 2x + 8y = 52, x = 6 → y = ____
- x + y = 16, x − y = -2 → x = ____, y = ____
- 8x + 1y = 16, x = 1 → y = ____
- 7x + 7y = 70, x = 7 → y = ____
- 5x + 2y = 47, x = 7 → y = ____
- 3x + 4y = 38, x = 6 → y = ____
- x + y = 13, x − y = 3 → x = ____, y = ____