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 = 13, x − y = 5 → x = ____, y = ____
- x + y = 17, x − y = -1 → x = ____, y = ____
- x + y = 10, x − y = 8 → x = ____, y = ____
- 5x + 9y = 81, x = 9 → y = ____
- 3x + 8y = 39, x = 5 → y = ____
- x + y = 9, x − y = -7 → x = ____, y = ____
- 9x + 1y = 67, x = 7 → y = ____
- 1x + 1y = 14, x = 6 → y = ____
- 7x + 6y = 61, x = 1 → y = ____
- 9x + 5y = 94, x = 6 → y = ____
- 8x + 7y = 71, x = 1 → y = ____
- x + y = 11, x − y = 3 → x = ____, y = ____
- x + y = 14, x − y = 2 → x = ____, y = ____
- 8x + 7y = 29, x = 1 → y = ____
- x + y = 8, x − y = 4 → x = ____, y = ____
- 3x + 4y = 44, x = 4 → y = ____
- x + y = 13, x − y = 3 → x = ____, y = ____
- 1x + 7y = 15, x = 1 → y = ____
- 9x + 9y = 108, x = 9 → y = ____