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 = 11, x − y = 7 → x = ____, y = ____
- x + y = 12, x − y = 6 → x = ____, y = ____
- x + y = 12, x − y = -6 → x = ____, y = ____
- x + y = 14, x − y = 2 → x = ____, y = ____
- 3x + 9y = 72, x = 9 → y = ____
- x + y = 5, x − y = 1 → x = ____, y = ____
- 6x + 9y = 90, x = 9 → y = ____
- 8x + 9y = 96, x = 3 → y = ____
- x + y = 15, x − y = 1 → x = ____, y = ____
- 7x + 6y = 43, x = 1 → y = ____
- 8x + 3y = 43, x = 5 → y = ____
- 1x + 8y = 62, x = 6 → y = ____
- 8x + 9y = 101, x = 7 → y = ____
- 1x + 1y = 12, x = 7 → y = ____
- x + y = 9, x − y = -7 → x = ____, y = ____
- 3x + 1y = 26, x = 8 → y = ____
- x + y = 5, x − y = -1 → x = ____, y = ____
- 9x + 3y = 78, x = 6 → y = ____
- 9x + 5y = 19, x = 1 → y = ____
- 4x + 5y = 76, x = 9 → y = ____