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 = 9, x − y = -7 → x = ____, y = ____
- 2x + 4y = 30, x = 9 → y = ____
- x + y = 14, x − y = -4 → x = ____, y = ____
- x + y = 17, x − y = -1 → x = ____, y = ____
- x + y = 11, x − y = -3 → x = ____, y = ____
- x + y = 7, x − y = 1 → x = ____, y = ____
- 7x + 4y = 49, x = 3 → y = ____
- x + y = 8, x − y = -6 → x = ____, y = ____
- x + y = 3, x − y = 1 → x = ____, y = ____
- x + y = 9, x − y = 7 → x = ____, y = ____
- x + y = 9, x − y = 1 → x = ____, y = ____
- 5x + 8y = 44, x = 4 → y = ____
- x + y = 5, x − y = 1 → x = ____, y = ____
- 7x + 1y = 23, x = 3 → y = ____
- 7x + 9y = 116, x = 5 → y = ____
- 8x + 7y = 47, x = 5 → y = ____
- 2x + 5y = 33, x = 4 → y = ____
- x + y = 11, x − y = 7 → x = ____, y = ____
- x + y = 14, x − y = -2 → x = ____, y = ____
- x + y = 6, x − y = -4 → x = ____, y = ____