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 = 4, x − y = 2 → x = ____, y = ____
- 9x + 7y = 30, x = 1 → y = ____
- 8x + 7y = 90, x = 6 → y = ____
- 9x + 5y = 87, x = 8 → y = ____
- x + y = 16, x − y = 0 → x = ____, y = ____
- x + y = 6, x − y = 4 → x = ____, y = ____
- 1x + 3y = 29, x = 5 → y = ____
- 9x + 7y = 117, x = 6 → y = ____
- 2x + 8y = 78, x = 7 → y = ____
- 4x + 3y = 13, x = 1 → y = ____
- x + y = 9, x − y = 1 → x = ____, y = ____
- x + y = 3, x − y = 1 → x = ____, y = ____
- x + y = 9, x − y = -1 → x = ____, y = ____
- x + y = 11, x − y = 7 → x = ____, y = ____
- 7x + 5y = 81, x = 8 → y = ____
- x + y = 6, x − y = -4 → x = ____, y = ____
- x + y = 5, x − y = -3 → x = ____, y = ____
- x + y = 11, x − y = -5 → x = ____, y = ____
- 7x + 7y = 98, x = 5 → y = ____
- 1x + 3y = 14, x = 2 → y = ____