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 = 15, x − y = 1 → x = ____, y = ____
- x + y = 6, x − y = 2 → x = ____, y = ____
- 3x + 1y = 9, x = 2 → y = ____
- x + y = 10, x − y = 6 → x = ____, y = ____
- x + y = 9, x − y = -1 → x = ____, y = ____
- 4x + 9y = 73, x = 7 → y = ____
- x + y = 12, x − y = -4 → x = ____, y = ____
- x + y = 12, x − y = 4 → x = ____, y = ____
- x + y = 7, x − y = -1 → x = ____, y = ____
- 4x + 1y = 26, x = 6 → y = ____
- x + y = 15, x − y = 3 → x = ____, y = ____
- 7x + 9y = 65, x = 8 → y = ____
- x + y = 14, x − y = 4 → x = ____, y = ____
- 4x + 7y = 40, x = 3 → y = ____
- x + y = 12, x − y = 6 → x = ____, y = ____
- 7x + 9y = 72, x = 9 → y = ____
- 9x + 7y = 71, x = 4 → y = ____
- 6x + 9y = 99, x = 6 → y = ____
- 9x + 8y = 25, x = 1 → y = ____