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
- 3x + 4y = 47, x = 5 → y = ____
- x + y = 10, x − y = 6 → x = ____, y = ____
- x + y = 10, x − y = 4 → x = ____, y = ____
- 3x + 9y = 51, x = 2 → y = ____
- 7x + 3y = 35, x = 2 → y = ____
- 4x + 7y = 79, x = 4 → y = ____
- x + y = 9, x − y = -3 → x = ____, y = ____
- 6x + 9y = 84, x = 2 → y = ____
- 9x + 3y = 78, x = 6 → y = ____
- 7x + 4y = 74, x = 6 → y = ____
- 7x + 4y = 23, x = 1 → y = ____
- 5x + 9y = 99, x = 9 → y = ____
- x + y = 12, x − y = 4 → x = ____, y = ____
- x + y = 7, x − y = 5 → x = ____, y = ____
- x + y = 16, x − y = 0 → x = ____, y = ____
- 3x + 1y = 22, x = 5 → y = ____
- 9x + 7y = 43, x = 4 → y = ____
- x + y = 16, x − y = -2 → x = ____, y = ____
- 5x + 1y = 8, x = 1 → y = ____
- x + y = 8, x − y = 4 → x = ____, y = ____