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
- 4x + 5y = 27, x = 3 → y = ____
- 5x + 8y = 67, x = 7 → y = ____
- 8x + 8y = 120, x = 6 → y = ____
- x + y = 11, x − y = 7 → x = ____, y = ____
- 8x + 7y = 50, x = 1 → y = ____
- 9x + 7y = 98, x = 7 → y = ____
- 4x + 7y = 65, x = 4 → y = ____
- x + y = 8, x − y = -4 → x = ____, y = ____
- 7x + 9y = 94, x = 7 → y = ____
- 7x + 3y = 66, x = 6 → y = ____
- x + y = 7, x − y = 1 → x = ____, y = ____
- x + y = 9, x − y = -5 → x = ____, y = ____
- x + y = 7, x − y = 5 → x = ____, y = ____
- x + y = 18, x − y = 0 → x = ____, y = ____
- 9x + 2y = 85, x = 9 → y = ____
- 9x + 9y = 27, x = 1 → y = ____
- x + y = 5, x − y = 1 → x = ____, y = ____
- 7x + 3y = 51, x = 6 → y = ____
- 7x + 6y = 34, x = 4 → y = ____
- x + y = 5, x − y = 3 → x = ____, y = ____