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
- x + y = 4, x − y = 0 → x = ____, y = ____
- 2x + 5y = 38, x = 4 → y = ____
- x + y = 8, x − y = 0 → x = ____, y = ____
- 9x + 1y = 70, x = 7 → y = ____
- x + y = 10, x − y = 6 → x = ____, y = ____
- 3x + 1y = 5, x = 1 → y = ____
- 8x + 4y = 20, x = 1 → y = ____
- 9x + 3y = 60, x = 4 → y = ____
- 3x + 3y = 15, x = 3 → y = ____
- x + y = 11, x − y = 5 → x = ____, y = ____
- 6x + 5y = 40, x = 5 → y = ____
- 5x + 7y = 81, x = 5 → y = ____
- 4x + 8y = 72, x = 6 → y = ____
- 8x + 8y = 88, x = 6 → y = ____
- 6x + 8y = 62, x = 9 → y = ____
- x + y = 11, x − y = 7 → x = ____, y = ____
- x + y = 3, x − y = 1 → x = ____, y = ____
- 2x + 5y = 63, x = 9 → y = ____
- 4x + 7y = 88, x = 8 → y = ____
- 6x + 8y = 82, x = 3 → y = ____