Sistemas de ecuaciones Worksheet
Recommended for octavo grado — Escuela secundaria
Sistemas de ecuaciones Worksheet
Name: ____________________Date: ____________
Instructions: Resolución de sistemas de ecuaciones lineales por sustitución y eliminación.
20 problems
- x + y = 15, x − y = -1 → x = ____, y = ____
- x + y = 11, x − y = -1 → x = ____, y = ____
- 5x + 9y = 78, x = 3 → y = ____
- 8x + 1y = 32, x = 3 → y = ____
- 7x + 9y = 81, x = 9 → y = ____
- x + y = 5, x − y = -1 → x = ____, y = ____
- 5x + 2y = 14, x = 2 → y = ____
- x + y = 2, x − y = 0 → x = ____, y = ____
- x + y = 10, x − y = -6 → x = ____, y = ____
- x + y = 13, x − y = 1 → x = ____, y = ____
- 4x + 8y = 108, x = 9 → y = ____
- 7x + 5y = 70, x = 5 → y = ____
- 2x + 9y = 80, x = 4 → y = ____
- x + y = 10, x − y = 6 → x = ____, y = ____
- 6x + 1y = 48, x = 7 → y = ____
- 5x + 2y = 29, x = 3 → y = ____
- 6x + 8y = 102, x = 5 → y = ____
- 3x + 3y = 30, x = 5 → y = ____
- 6x + 1y = 29, x = 4 → y = ____
- x + y = 12, x − y = 0 → x = ____, y = ____