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
- 8x + 9y = 42, x = 3 → y = ____
- x + y = 9, x − y = 3 → x = ____, y = ____
- 3x + 7y = 23, x = 3 → y = ____
- 9x + 2y = 19, x = 1 → y = ____
- 4x + 4y = 48, x = 6 → y = ____
- 6x + 2y = 44, x = 7 → y = ____
- 7x + 4y = 91, x = 9 → y = ____
- x + y = 6, x − y = -2 → x = ____, y = ____
- 3x + 9y = 84, x = 1 → y = ____
- x + y = 14, x − y = 4 → x = ____, y = ____
- x + y = 8, x − y = 2 → x = ____, y = ____
- 7x + 2y = 25, x = 1 → y = ____
- x + y = 7, x − y = -5 → x = ____, y = ____
- x + y = 10, x − y = -2 → x = ____, y = ____
- x + y = 10, x − y = 8 → x = ____, y = ____
- 6x + 7y = 69, x = 8 → y = ____
- x + y = 12, x − y = -6 → x = ____, y = ____
- x + y = 15, x − y = -3 → x = ____, y = ____
- x + y = 13, x − y = 5 → x = ____, y = ____
- x + y = 9, x − y = -7 → x = ____, y = ____