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 = 8, x − y = -4 → x = ____, y = ____
- x + y = 14, x − y = -2 → x = ____, y = ____
- 2x + 4y = 40, x = 6 → y = ____
- 4x + 8y = 68, x = 5 → y = ____
- 1x + 7y = 40, x = 5 → y = ____
- 8x + 4y = 80, x = 9 → y = ____
- x + y = 5, x − y = 3 → x = ____, y = ____
- 2x + 9y = 30, x = 6 → y = ____
- x + y = 8, x − y = 2 → x = ____, y = ____
- x + y = 17, x − y = -1 → x = ____, y = ____
- x + y = 9, x − y = 3 → x = ____, y = ____
- x + y = 9, x − y = -7 → x = ____, y = ____
- 8x + 5y = 117, x = 9 → y = ____
- x + y = 7, x − y = 5 → x = ____, y = ____
- x + y = 18, x − y = 0 → x = ____, y = ____
- x + y = 9, x − y = -5 → x = ____, y = ____
- x + y = 11, x − y = 7 → x = ____, y = ____
- 2x + 2y = 24, x = 8 → y = ____
- 8x + 7y = 69, x = 6 → y = ____
- 9x + 4y = 72, x = 4 → y = ____