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 = 7, x − y = -1 → x = ____, y = ____
- x + y = 8, x − y = -2 → x = ____, y = ____
- 5x + 7y = 43, x = 3 → y = ____
- 5x + 9y = 108, x = 9 → y = ____
- 2x + 5y = 42, x = 6 → y = ____
- x + y = 17, x − y = 1 → x = ____, y = ____
- 6x + 5y = 88, x = 8 → y = ____
- 5x + 7y = 52, x = 9 → y = ____
- 3x + 4y = 43, x = 5 → y = ____
- 9x + 7y = 77, x = 7 → y = ____
- x + y = 4, x − y = -2 → x = ____, y = ____
- x + y = 5, x − y = -3 → x = ____, y = ____
- 9x + 7y = 98, x = 7 → y = ____
- 1x + 2y = 10, x = 8 → y = ____
- x + y = 8, x − y = -4 → x = ____, y = ____
- 4x + 2y = 34, x = 4 → y = ____
- 3x + 8y = 75, x = 9 → y = ____
- 9x + 7y = 67, x = 2 → y = ____
- 4x + 9y = 73, x = 7 → y = ____
- x + y = 15, x − y = 1 → x = ____, y = ____