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 = 1 → x = ____, y = ____
- 2x + 3y = 15, x = 6 → y = ____
- x + y = 10, x − y = 8 → x = ____, y = ____
- x + y = 7, x − y = 3 → x = ____, y = ____
- 7x + 8y = 80, x = 8 → y = ____
- x + y = 14, x − y = -2 → x = ____, y = ____
- 4x + 9y = 49, x = 1 → y = ____
- 2x + 5y = 28, x = 9 → y = ____
- x + y = 12, x − y = 0 → x = ____, y = ____
- 4x + 1y = 19, x = 4 → y = ____
- 7x + 9y = 90, x = 9 → y = ____
- 9x + 9y = 144, x = 8 → y = ____
- x + y = 13, x − y = -3 → x = ____, y = ____
- 3x + 6y = 51, x = 1 → y = ____
- 7x + 1y = 57, x = 8 → y = ____
- x + y = 16, x − y = 0 → x = ____, y = ____
- 4x + 8y = 16, x = 2 → y = ____
- x + y = 14, x − y = 4 → x = ____, y = ____
- 2x + 3y = 22, x = 8 → y = ____
- x + y = 11, x − y = -1 → x = ____, y = ____