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 = 12, x − y = -4 → x = ____, y = ____
- 5x + 5y = 30, x = 1 → y = ____
- 4x + 1y = 30, x = 6 → y = ____
- 4x + 8y = 68, x = 7 → y = ____
- 9x + 7y = 62, x = 3 → y = ____
- 7x + 6y = 51, x = 3 → y = ____
- 3x + 1y = 21, x = 4 → y = ____
- 9x + 9y = 63, x = 2 → y = ____
- 5x + 8y = 66, x = 2 → y = ____
- 2x + 7y = 25, x = 9 → y = ____
- x + y = 11, x − y = -3 → x = ____, y = ____
- x + y = 12, x − y = -2 → x = ____, y = ____
- 3x + 6y = 9, x = 1 → y = ____
- 4x + 2y = 14, x = 1 → y = ____
- 3x + 4y = 22, x = 2 → y = ____
- 5x + 4y = 57, x = 5 → y = ____
- x + y = 16, x − y = -2 → x = ____, y = ____
- x + y = 3, x − y = 1 → x = ____, y = ____
- 7x + 3y = 55, x = 4 → y = ____
- x + y = 16, x − y = 0 → x = ____, y = ____