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
- 5x + 7y = 79, x = 6 → y = ____
- x + y = 9, x − y = -7 → x = ____, y = ____
- x + y = 4, x − y = 2 → x = ____, y = ____
- 1x + 5y = 9, x = 4 → y = ____
- x + y = 8, x − y = 2 → x = ____, y = ____
- x + y = 10, x − y = -8 → x = ____, y = ____
- 8x + 8y = 120, x = 8 → y = ____
- x + y = 8, x − y = 0 → x = ____, y = ____
- 6x + 5y = 52, x = 2 → y = ____
- x + y = 10, x − y = 6 → x = ____, y = ____
- 9x + 9y = 108, x = 8 → y = ____
- x + y = 15, x − y = -1 → x = ____, y = ____
- 3x + 5y = 43, x = 1 → y = ____
- 6x + 9y = 114, x = 7 → y = ____
- 1x + 8y = 36, x = 4 → y = ____
- 9x + 4y = 49, x = 5 → y = ____
- x + y = 18, x − y = 0 → x = ____, y = ____
- 5x + 4y = 41, x = 5 → y = ____
- x + y = 6, x − y = -4 → x = ____, y = ____
- 7x + 9y = 74, x = 8 → y = ____