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 = 9, x − y = 5 → x = ____, y = ____
- x + y = 9, x − y = 7 → x = ____, y = ____
- 7x + 8y = 29, x = 3 → y = ____
- 6x + 7y = 81, x = 3 → y = ____
- 8x + 1y = 17, x = 1 → y = ____
- 4x + 3y = 47, x = 8 → y = ____
- 9x + 9y = 99, x = 2 → y = ____
- 7x + 2y = 20, x = 2 → y = ____
- 9x + 4y = 88, x = 8 → y = ____
- 9x + 3y = 78, x = 6 → y = ____
- 8x + 7y = 71, x = 8 → y = ____
- 7x + 8y = 92, x = 4 → y = ____
- x + y = 14, x − y = -4 → x = ____, y = ____
- x + y = 5, x − y = 1 → x = ____, y = ____
- x + y = 13, x − y = -1 → x = ____, y = ____
- 4x + 7y = 51, x = 4 → y = ____
- x + y = 16, x − y = 0 → x = ____, y = ____
- 2x + 2y = 28, x = 7 → y = ____
- 6x + 8y = 50, x = 7 → y = ____
- x + y = 15, x − y = -3 → x = ____, y = ____