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 = 8, x − y = 4 → x = ____, y = ____
- 7x + 7y = 77, x = 8 → y = ____
- x + y = 11, x − y = 5 → x = ____, y = ____
- x + y = 10, x − y = 8 → x = ____, y = ____
- x + y = 9, x − y = 7 → x = ____, y = ____
- x + y = 4, x − y = -2 → x = ____, y = ____
- 4x + 7y = 65, x = 4 → y = ____
- 5x + 5y = 45, x = 8 → y = ____
- x + y = 14, x − y = -4 → x = ____, y = ____
- 1x + 8y = 12, x = 4 → y = ____
- x + y = 9, x − y = -3 → x = ____, y = ____
- 5x + 7y = 81, x = 5 → y = ____
- x + y = 15, x − y = -1 → x = ____, y = ____
- x + y = 6, x − y = 4 → x = ____, y = ____
- x + y = 18, x − y = 0 → x = ____, y = ____
- x + y = 9, x − y = 1 → x = ____, y = ____
- 7x + 1y = 64, x = 8 → y = ____
- 5x + 7y = 38, x = 2 → y = ____
- 3x + 5y = 51, x = 7 → y = ____
- x + y = 12, x − y = 0 → x = ____, y = ____