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
- 4x + 8y = 108, x = 9 → y = ____
- 5x + 7y = 84, x = 7 → y = ____
- 6x + 7y = 31, x = 4 → y = ____
- 6x + 4y = 74, x = 7 → y = ____
- x + y = 8, x − y = -4 → x = ____, y = ____
- 7x + 5y = 70, x = 5 → y = ____
- x + y = 13, x − y = -3 → x = ____, y = ____
- x + y = 14, x − y = -2 → x = ____, y = ____
- 1x + 4y = 21, x = 1 → y = ____
- 7x + 1y = 46, x = 6 → y = ____
- 3x + 4y = 33, x = 3 → y = ____
- 7x + 4y = 51, x = 5 → y = ____
- x + y = 6, x − y = 4 → x = ____, y = ____
- 6x + 6y = 54, x = 2 → y = ____
- x + y = 11, x − y = 1 → x = ____, y = ____
- 6x + 3y = 51, x = 5 → y = ____
- x + y = 11, x − y = 5 → x = ____, y = ____
- x + y = 13, x − y = -1 → x = ____, y = ____
- 7x + 1y = 47, x = 6 → y = ____
- x + y = 18, x − y = 0 → x = ____, y = ____