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 = 13, x − y = -5 → x = ____, y = ____
- 3x + 3y = 39, x = 4 → y = ____
- x + y = 12, x − y = 4 → x = ____, y = ____
- 9x + 7y = 82, x = 6 → y = ____
- 2x + 1y = 12, x = 3 → y = ____
- 9x + 4y = 72, x = 4 → y = ____
- 6x + 7y = 85, x = 6 → y = ____
- x + y = 8, x − y = 2 → x = ____, y = ____
- x + y = 13, x − y = -3 → x = ____, y = ____
- 7x + 9y = 121, x = 7 → y = ____
- 5x + 4y = 18, x = 2 → y = ____
- 4x + 9y = 35, x = 2 → y = ____
- 3x + 8y = 90, x = 6 → y = ____
- x + y = 11, x − y = 5 → x = ____, y = ____
- x + y = 15, x − y = 1 → x = ____, y = ____
- x + y = 11, x − y = -5 → x = ____, y = ____
- x + y = 8, x − y = 4 → x = ____, y = ____
- x + y = 7, x − y = -1 → x = ____, y = ____
- 8x + 8y = 64, x = 5 → y = ____
- x + y = 8, x − y = -6 → x = ____, y = ____