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
- 2x + 6y = 72, x = 9 → y = ____
- 7x + 5y = 61, x = 8 → y = ____
- x + y = 12, x − y = -2 → x = ____, y = ____
- 9x + 5y = 98, x = 7 → y = ____
- x + y = 11, x − y = -1 → x = ____, y = ____
- x + y = 12, x − y = 6 → x = ____, y = ____
- 9x + 9y = 117, x = 4 → y = ____
- 4x + 8y = 52, x = 5 → y = ____
- x + y = 11, x − y = 5 → x = ____, y = ____
- x + y = 11, x − y = -7 → x = ____, y = ____
- 2x + 1y = 12, x = 4 → y = ____
- 8x + 2y = 86, x = 9 → y = ____
- x + y = 11, x − y = -5 → x = ____, y = ____
- 9x + 8y = 85, x = 5 → y = ____
- 5x + 5y = 40, x = 4 → y = ____
- 9x + 1y = 29, x = 3 → y = ____
- 8x + 5y = 36, x = 2 → y = ____
- 7x + 7y = 126, x = 9 → y = ____
- 6x + 7y = 59, x = 4 → y = ____
- x + y = 15, x − y = -1 → x = ____, y = ____