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 = 6 → x = ____, y = ____
- 5x + 3y = 30, x = 3 → y = ____
- 9x + 1y = 21, x = 2 → y = ____
- 5x + 6y = 71, x = 7 → y = ____
- 9x + 3y = 60, x = 4 → y = ____
- 7x + 1y = 66, x = 9 → y = ____
- 7x + 3y = 72, x = 9 → y = ____
- 2x + 3y = 16, x = 2 → y = ____
- x + y = 10, x − y = -2 → x = ____, y = ____
- x + y = 5, x − y = 1 → x = ____, y = ____
- 1x + 7y = 45, x = 3 → y = ____
- x + y = 7, x − y = 1 → x = ____, y = ____
- x + y = 13, x − y = 1 → x = ____, y = ____
- x + y = 4, x − y = 0 → x = ____, y = ____
- 3x + 2y = 13, x = 3 → y = ____
- 5x + 1y = 27, x = 4 → y = ____
- x + y = 12, x − y = 0 → x = ____, y = ____
- 1x + 6y = 9, x = 3 → y = ____
- x + y = 14, x − y = -4 → x = ____, y = ____
- 1x + 8y = 43, x = 3 → y = ____