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 + 7y = 120, x = 8 → y = ____
- x + y = 10, x − y = 0 → x = ____, y = ____
- 4x + 4y = 28, x = 3 → y = ____
- x + y = 9, x − y = -7 → x = ____, y = ____
- x + y = 13, x − y = 3 → x = ____, y = ____
- 3x + 3y = 21, x = 3 → y = ____
- 7x + 6y = 38, x = 2 → y = ____
- x + y = 5, x − y = 1 → x = ____, y = ____
- 3x + 1y = 12, x = 3 → y = ____
- x + y = 4, x − y = 0 → x = ____, y = ____
- 7x + 5y = 73, x = 4 → y = ____
- 1x + 8y = 33, x = 1 → y = ____
- x + y = 8, x − y = 2 → x = ____, y = ____
- 9x + 9y = 108, x = 5 → y = ____
- 6x + 5y = 67, x = 7 → y = ____
- 4x + 2y = 40, x = 8 → y = ____
- 2x + 9y = 40, x = 2 → y = ____
- 2x + 7y = 79, x = 8 → y = ____
- x + y = 8, x − y = -6 → x = ____, y = ____
- x + y = 12, x − y = 6 → x = ____, y = ____