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 = 6, x − y = -2 → x = ____, y = ____
- 8x + 2y = 28, x = 3 → y = ____
- x + y = 11, x − y = 1 → x = ____, y = ____
- 8x + 9y = 111, x = 6 → y = ____
- x + y = 7, x − y = 3 → x = ____, y = ____
- x + y = 8, x − y = 2 → x = ____, y = ____
- 6x + 4y = 20, x = 2 → y = ____
- x + y = 11, x − y = -1 → x = ____, y = ____
- 7x + 4y = 70, x = 6 → y = ____
- x + y = 9, x − y = -7 → x = ____, y = ____
- 5x + 1y = 19, x = 2 → y = ____
- x + y = 9, x − y = 3 → x = ____, y = ____
- 4x + 9y = 38, x = 5 → y = ____
- x + y = 10, x − y = 8 → x = ____, y = ____
- 7x + 5y = 77, x = 6 → y = ____
- 2x + 9y = 51, x = 3 → y = ____
- 5x + 3y = 66, x = 9 → y = ____
- 4x + 6y = 20, x = 2 → y = ____
- 9x + 1y = 50, x = 5 → y = ____
- 1x + 1y = 8, x = 4 → y = ____