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 = 13, x − y = 1 → x = ____, y = ____
- x + y = 15, x − y = -1 → x = ____, y = ____
- 4x + 2y = 14, x = 2 → y = ____
- x + y = 13, x − y = -1 → x = ____, y = ____
- 3x + 9y = 108, x = 9 → y = ____
- 9x + 7y = 59, x = 5 → y = ____
- 6x + 7y = 111, x = 8 → y = ____
- 3x + 7y = 31, x = 8 → y = ____
- 8x + 5y = 77, x = 9 → y = ____
- x + y = 7, x − y = -5 → x = ____, y = ____
- 6x + 3y = 36, x = 3 → y = ____
- 9x + 5y = 29, x = 1 → y = ____
- 5x + 5y = 30, x = 1 → y = ____
- 8x + 7y = 52, x = 3 → y = ____
- x + y = 10, x − y = -4 → x = ____, y = ____
- 9x + 3y = 45, x = 2 → y = ____
- x + y = 7, x − y = 1 → x = ____, y = ____
- x + y = 11, x − y = 1 → x = ____, y = ____
- 2x + 7y = 27, x = 3 → y = ____
- 3x + 3y = 24, x = 4 → y = ____