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 = 13, x − y = 3 → x = ____, y = ____
- x + y = 18, x − y = 0 → x = ____, y = ____
- x + y = 9, x − y = 3 → x = ____, y = ____
- x + y = 7, x − y = 3 → x = ____, y = ____
- 4x + 7y = 55, x = 5 → y = ____
- 9x + 7y = 30, x = 1 → y = ____
- 7x + 9y = 144, x = 9 → y = ____
- x + y = 14, x − y = 2 → x = ____, y = ____
- 2x + 5y = 58, x = 9 → y = ____
- 8x + 8y = 112, x = 7 → y = ____
- 4x + 9y = 31, x = 1 → y = ____
- 3x + 6y = 45, x = 9 → y = ____
- 8x + 8y = 40, x = 4 → y = ____
- x + y = 10, x − y = -4 → x = ____, y = ____
- x + y = 11, x − y = 7 → x = ____, y = ____
- 5x + 4y = 38, x = 6 → y = ____
- 1x + 1y = 14, x = 7 → y = ____
- 4x + 7y = 38, x = 6 → y = ____
- 6x + 4y = 32, x = 2 → y = ____
- 3x + 9y = 72, x = 6 → y = ____