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 = 10, x − y = 6 → x = ____, y = ____
- 9x + 9y = 144, x = 9 → y = ____
- 9x + 7y = 46, x = 2 → y = ____
- 5x + 3y = 42, x = 6 → y = ____
- 4x + 1y = 25, x = 6 → y = ____
- x + y = 11, x − y = -5 → x = ____, y = ____
- 9x + 2y = 50, x = 4 → y = ____
- 8x + 5y = 70, x = 5 → y = ____
- 3x + 8y = 48, x = 8 → y = ____
- 5x + 4y = 42, x = 6 → y = ____
- 3x + 7y = 70, x = 7 → y = ____
- x + y = 18, x − y = 0 → x = ____, y = ____
- x + y = 14, x − y = 0 → x = ____, y = ____
- 5x + 9y = 73, x = 2 → y = ____
- x + y = 8, x − y = 6 → x = ____, y = ____
- x + y = 3, x − y = 1 → x = ____, y = ____
- x + y = 14, x − y = -2 → x = ____, y = ____
- 4x + 9y = 90, x = 9 → y = ____
- 4x + 7y = 23, x = 4 → y = ____
- 9x + 3y = 66, x = 5 → y = ____