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 = -4 → x = ____, y = ____
- x + y = 15, x − y = 3 → x = ____, y = ____
- 7x + 9y = 34, x = 1 → y = ____
- x + y = 11, x − y = -5 → x = ____, y = ____
- x + y = 13, x − y = -3 → x = ____, y = ____
- 6x + 9y = 33, x = 4 → y = ____
- 4x + 5y = 38, x = 2 → y = ____
- 4x + 7y = 64, x = 9 → y = ____
- 9x + 9y = 72, x = 5 → y = ____
- 5x + 4y = 47, x = 3 → y = ____
- 9x + 6y = 126, x = 8 → y = ____
- 2x + 8y = 28, x = 6 → y = ____
- x + y = 12, x − y = 2 → x = ____, y = ____
- x + y = 9, x − y = -7 → x = ____, y = ____
- 2x + 5y = 55, x = 5 → y = ____
- 1x + 9y = 50, x = 5 → y = ____
- x + y = 4, x − y = -2 → x = ____, y = ____
- 7x + 9y = 74, x = 8 → y = ____
- 1x + 6y = 21, x = 3 → y = ____
- x + y = 8, x − y = -2 → x = ____, y = ____