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
- 3x + 8y = 81, x = 3 → y = ____
- 9x + 8y = 44, x = 4 → y = ____
- 3x + 2y = 34, x = 8 → y = ____
- x + y = 4, x − y = 0 → x = ____, y = ____
- x + y = 8, x − y = -2 → x = ____, y = ____
- 3x + 5y = 43, x = 1 → y = ____
- x + y = 12, x − y = 2 → x = ____, y = ____
- 9x + 6y = 102, x = 8 → y = ____
- x + y = 10, x − y = -2 → x = ____, y = ____
- 2x + 4y = 34, x = 7 → y = ____
- x + y = 7, x − y = 5 → x = ____, y = ____
- 7x + 5y = 45, x = 5 → y = ____
- x + y = 8, x − y = -6 → x = ____, y = ____
- 2x + 2y = 30, x = 8 → y = ____
- x + y = 10, x − y = 6 → x = ____, y = ____
- x + y = 5, x − y = 3 → x = ____, y = ____
- x + y = 7, x − y = -3 → x = ____, y = ____
- x + y = 9, x − y = 5 → x = ____, y = ____
- x + y = 9, x − y = -7 → x = ____, y = ____
- 1x + 6y = 27, x = 3 → y = ____