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 = 5, x − y = 3 → x = ____, y = ____
- x + y = 9, x − y = 5 → x = ____, y = ____
- x + y = 9, x − y = -7 → x = ____, y = ____
- x + y = 3, x − y = -1 → x = ____, y = ____
- x + y = 6, x − y = 2 → x = ____, y = ____
- 2x + 9y = 23, x = 7 → y = ____
- x + y = 7, x − y = 5 → x = ____, y = ____
- 7x + 4y = 65, x = 7 → y = ____
- 3x + 8y = 51, x = 9 → y = ____
- 9x + 3y = 87, x = 9 → y = ____
- x + y = 13, x − y = -1 → x = ____, y = ____
- x + y = 13, x − y = 1 → x = ____, y = ____
- 7x + 9y = 102, x = 3 → y = ____
- x + y = 15, x − y = -3 → x = ____, y = ____
- x + y = 13, x − y = -5 → x = ____, y = ____
- x + y = 14, x − y = 0 → x = ____, y = ____
- x + y = 12, x − y = 0 → x = ____, y = ____
- x + y = 7, x − y = 3 → x = ____, y = ____
- 1x + 7y = 33, x = 5 → y = ____
- 2x + 1y = 25, x = 9 → y = ____