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 = 15, x − y = 3 → x = ____, y = ____
- x + y = 8, x − y = -6 → x = ____, y = ____
- 7x + 6y = 20, x = 2 → y = ____
- 8x + 4y = 96, x = 8 → y = ____
- x + y = 10, x − y = -8 → x = ____, y = ____
- 1x + 4y = 15, x = 7 → y = ____
- 6x + 9y = 123, x = 7 → y = ____
- x + y = 7, x − y = -3 → x = ____, y = ____
- 7x + 4y = 85, x = 7 → y = ____
- 9x + 1y = 55, x = 6 → y = ____
- 9x + 7y = 78, x = 4 → y = ____
- x + y = 10, x − y = 2 → x = ____, y = ____
- x + y = 7, x − y = -1 → x = ____, y = ____
- x + y = 15, x − y = -1 → x = ____, y = ____
- x + y = 11, x − y = -3 → x = ____, y = ____
- 3x + 6y = 66, x = 6 → y = ____
- 5x + 7y = 43, x = 3 → y = ____
- x + y = 7, x − y = 3 → x = ____, y = ____
- 7x + 6y = 19, x = 1 → y = ____
- 3x + 9y = 54, x = 6 → y = ____