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 = 7, x − y = 5 → x = ____, y = ____
- 5x + 1y = 39, x = 7 → y = ____
- x + y = 15, x − y = 1 → x = ____, y = ____
- 2x + 7y = 60, x = 9 → y = ____
- 2x + 3y = 7, x = 2 → y = ____
- x + y = 11, x − y = 7 → x = ____, y = ____
- 8x + 4y = 32, x = 3 → y = ____
- x + y = 10, x − y = 6 → x = ____, y = ____
- 5x + 6y = 28, x = 2 → y = ____
- 5x + 9y = 58, x = 8 → y = ____
- x + y = 8, x − y = 2 → x = ____, y = ____
- 4x + 9y = 30, x = 3 → y = ____
- 4x + 4y = 60, x = 6 → y = ____
- 7x + 8y = 82, x = 6 → y = ____
- 1x + 4y = 25, x = 1 → y = ____
- x + y = 9, x − y = -5 → x = ____, y = ____
- 3x + 9y = 75, x = 7 → y = ____
- x + y = 8, x − y = 6 → x = ____, y = ____
- x + y = 11, x − y = 5 → x = ____, y = ____
- 4x + 3y = 31, x = 7 → y = ____