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 = -3 → x = ____, y = ____
- 4x + 2y = 40, x = 8 → y = ____
- 2x + 4y = 54, x = 9 → y = ____
- 9x + 9y = 90, x = 7 → y = ____
- x + y = 10, x − y = -6 → x = ____, y = ____
- x + y = 16, x − y = 2 → x = ____, y = ____
- x + y = 15, x − y = -3 → x = ____, y = ____
- x + y = 13, x − y = -1 → x = ____, y = ____
- x + y = 6, x − y = 0 → x = ____, y = ____
- 9x + 4y = 62, x = 6 → y = ____
- 5x + 5y = 35, x = 3 → y = ____
- 6x + 3y = 33, x = 5 → y = ____
- 6x + 6y = 60, x = 4 → y = ____
- 5x + 1y = 19, x = 3 → y = ____
- x + y = 6, x − y = 4 → x = ____, y = ____
- x + y = 11, x − y = 5 → x = ____, y = ____
- x + y = 10, x − y = 4 → x = ____, y = ____
- x + y = 9, x − y = -1 → x = ____, y = ____
- 4x + 9y = 51, x = 6 → y = ____
- 9x + 2y = 30, x = 2 → y = ____