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 = 7, x − y = 5 → x = ____, y = ____
- x + y = 14, x − y = -2 → x = ____, y = ____
- 6x + 1y = 51, x = 7 → y = ____
- 2x + 1y = 21, x = 8 → y = ____
- x + y = 11, x − y = -3 → x = ____, y = ____
- 4x + 3y = 24, x = 3 → y = ____
- x + y = 9, x − y = 7 → x = ____, y = ____
- 8x + 7y = 63, x = 7 → y = ____
- 8x + 3y = 30, x = 3 → y = ____
- 7x + 2y = 69, x = 9 → y = ____
- x + y = 10, x − y = -6 → x = ____, y = ____
- 3x + 5y = 54, x = 3 → y = ____
- x + y = 9, x − y = 3 → x = ____, y = ____
- 1x + 2y = 19, x = 5 → y = ____
- 4x + 1y = 41, x = 8 → y = ____
- 6x + 9y = 24, x = 1 → y = ____
- 9x + 9y = 45, x = 1 → y = ____
- 5x + 1y = 6, x = 1 → y = ____
- 6x + 8y = 42, x = 3 → y = ____
- 8x + 1y = 81, x = 9 → y = ____