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 + 3y = 70, x = 7 → y = ____
- 8x + 1y = 48, x = 5 → y = ____
- x + y = 6, x − y = 0 → x = ____, y = ____
- x + y = 14, x − y = -2 → x = ____, y = ____
- 9x + 5y = 78, x = 7 → y = ____
- 1x + 6y = 13, x = 1 → y = ____
- 4x + 3y = 14, x = 2 → y = ____
- x + y = 11, x − y = 3 → x = ____, y = ____
- 7x + 5y = 47, x = 6 → y = ____
- 9x + 8y = 25, x = 1 → y = ____
- 9x + 1y = 39, x = 4 → y = ____
- 7x + 5y = 54, x = 2 → y = ____
- 9x + 6y = 72, x = 2 → y = ____
- x + y = 13, x − y = 5 → x = ____, y = ____
- 9x + 2y = 38, x = 4 → y = ____
- 3x + 1y = 21, x = 5 → y = ____
- x + y = 9, x − y = 7 → x = ____, y = ____
- x + y = 15, x − y = -3 → x = ____, y = ____
- x + y = 17, x − y = -1 → x = ____, y = ____
- 6x + 7y = 39, x = 3 → y = ____