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
- 7x + 7y = 105, x = 8 → y = ____
- 7x + 7y = 70, x = 4 → y = ____
- 2x + 8y = 38, x = 3 → y = ____
- x + y = 7, x − y = 1 → x = ____, y = ____
- x + y = 8, x − y = 2 → x = ____, y = ____
- 2x + 9y = 39, x = 6 → y = ____
- 4x + 7y = 39, x = 8 → y = ____
- x + y = 12, x − y = 4 → x = ____, y = ____
- x + y = 7, x − y = -3 → x = ____, y = ____
- x + y = 13, x − y = 3 → x = ____, y = ____
- x + y = 6, x − y = -4 → x = ____, y = ____
- x + y = 4, x − y = 2 → x = ____, y = ____
- 2x + 2y = 8, x = 1 → y = ____
- x + y = 11, x − y = 7 → x = ____, y = ____
- x + y = 13, x − y = -3 → x = ____, y = ____
- 3x + 9y = 33, x = 2 → y = ____
- x + y = 10, x − y = 4 → x = ____, y = ____
- 2x + 1y = 14, x = 4 → y = ____
- 7x + 2y = 52, x = 6 → y = ____
- x + y = 9, x − y = 3 → x = ____, y = ____