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
- 8x + 7y = 120, x = 8 → y = ____
- x + y = 14, x − y = -2 → x = ____, y = ____
- 2x + 7y = 72, x = 8 → y = ____
- x + y = 14, x − y = -4 → x = ____, y = ____
- 3x + 3y = 30, x = 7 → y = ____
- x + y = 5, x − y = -1 → x = ____, y = ____
- x + y = 8, x − y = 2 → x = ____, y = ____
- 9x + 2y = 42, x = 4 → y = ____
- x + y = 11, x − y = -7 → x = ____, y = ____
- 1x + 4y = 11, x = 7 → y = ____
- 8x + 2y = 56, x = 6 → y = ____
- 5x + 5y = 45, x = 7 → y = ____
- 8x + 3y = 32, x = 1 → y = ____
- x + y = 13, x − y = 1 → x = ____, y = ____
- 5x + 4y = 27, x = 3 → y = ____
- x + y = 9, x − y = -5 → x = ____, y = ____
- x + y = 15, x − y = -3 → x = ____, y = ____
- x + y = 15, x − y = 1 → x = ____, y = ____
- x + y = 10, x − y = 2 → x = ____, y = ____
- 7x + 8y = 74, x = 6 → y = ____