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
- 7x + 4y = 83, x = 9 → y = ____
- 7x + 9y = 119, x = 8 → y = ____
- x + y = 13, x − y = 1 → x = ____, y = ____
- 6x + 3y = 57, x = 7 → y = ____
- x + y = 12, x − y = 4 → x = ____, y = ____
- 3x + 4y = 56, x = 8 → y = ____
- 1x + 4y = 17, x = 9 → y = ____
- 2x + 3y = 30, x = 3 → y = ____
- 4x + 6y = 74, x = 5 → y = ____
- 1x + 4y = 29, x = 1 → y = ____
- x + y = 8, x − y = -2 → x = ____, y = ____
- x + y = 12, x − y = -4 → x = ____, y = ____
- x + y = 10, x − y = 6 → x = ____, y = ____
- 5x + 4y = 49, x = 5 → y = ____
- x + y = 14, x − y = 4 → x = ____, y = ____
- 1x + 4y = 14, x = 6 → y = ____
- x + y = 4, x − y = 2 → x = ____, y = ____
- x + y = 13, x − y = -1 → x = ____, y = ____
- 1x + 1y = 14, x = 7 → y = ____
- 1x + 7y = 49, x = 7 → y = ____