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 = 3, x − y = 1 → x = ____, y = ____
- 7x + 3y = 71, x = 8 → y = ____
- x + y = 7, x − y = 1 → x = ____, y = ____
- 8x + 3y = 78, x = 9 → y = ____
- 5x + 2y = 24, x = 2 → y = ____
- 8x + 5y = 64, x = 3 → y = ____
- 7x + 2y = 57, x = 7 → y = ____
- x + y = 7, x − y = -1 → x = ____, y = ____
- x + y = 8, x − y = -4 → x = ____, y = ____
- 8x + 9y = 117, x = 9 → y = ____
- x + y = 9, x − y = 7 → x = ____, y = ____
- 4x + 8y = 56, x = 6 → y = ____
- x + y = 9, x − y = 3 → x = ____, y = ____
- 3x + 9y = 54, x = 6 → y = ____
- x + y = 6, x − y = 2 → x = ____, y = ____
- x + y = 10, x − y = 2 → x = ____, y = ____
- 8x + 6y = 94, x = 8 → y = ____
- 1x + 7y = 69, x = 6 → y = ____
- 8x + 9y = 67, x = 5 → y = ____
- 6x + 7y = 66, x = 4 → y = ____