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
- 7x + 9y = 99, x = 9 → y = ____
- x + y = 9, x − y = 1 → x = ____, y = ____
- x + y = 8, x − y = -6 → x = ____, y = ____
- 4x + 5y = 24, x = 1 → y = ____
- 9x + 6y = 99, x = 5 → y = ____
- x + y = 10, x − y = -6 → x = ____, y = ____
- x + y = 14, x − y = -4 → x = ____, y = ____
- 8x + 8y = 112, x = 7 → y = ____
- x + y = 10, x − y = -8 → x = ____, y = ____
- 6x + 9y = 123, x = 7 → y = ____
- x + y = 7, x − y = -5 → x = ____, y = ____
- 8x + 1y = 45, x = 5 → y = ____
- 8x + 3y = 85, x = 8 → y = ____
- x + y = 3, x − y = 1 → x = ____, y = ____
- 4x + 5y = 42, x = 3 → y = ____
- 4x + 2y = 16, x = 1 → y = ____
- x + y = 5, x − y = 1 → x = ____, y = ____
- 9x + 3y = 48, x = 4 → y = ____
- 3x + 7y = 31, x = 8 → y = ____
- 2x + 1y = 18, x = 5 → y = ____