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 = 10, x − y = -2 → x = ____, y = ____
- 7x + 3y = 47, x = 5 → y = ____
- x + y = 7, x − y = -5 → x = ____, y = ____
- 2x + 5y = 28, x = 9 → y = ____
- 9x + 8y = 120, x = 8 → y = ____
- 1x + 2y = 20, x = 2 → y = ____
- 3x + 7y = 66, x = 8 → y = ____
- x + y = 10, x − y = 2 → x = ____, y = ____
- x + y = 18, x − y = 0 → x = ____, y = ____
- x + y = 5, x − y = 1 → x = ____, y = ____
- x + y = 9, x − y = 1 → x = ____, y = ____
- 6x + 4y = 40, x = 6 → y = ____
- x + y = 6, x − y = 2 → x = ____, y = ____
- 4x + 4y = 40, x = 2 → y = ____
- 6x + 1y = 23, x = 3 → y = ____
- x + y = 12, x − y = 6 → x = ____, y = ____
- x + y = 8, x − y = 2 → x = ____, y = ____
- 8x + 8y = 72, x = 3 → y = ____
- x + y = 8, x − y = -4 → x = ____, y = ____
- 4x + 6y = 42, x = 9 → y = ____