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 = 7, x − y = 1 → x = ____, y = ____
- x + y = 4, x − y = -2 → x = ____, y = ____
- 4x + 9y = 68, x = 8 → y = ____
- x + y = 9, x − y = -5 → x = ____, y = ____
- 7x + 3y = 32, x = 2 → y = ____
- 1x + 3y = 8, x = 2 → y = ____
- x + y = 8, x − y = -6 → x = ____, y = ____
- x + y = 14, x − y = 0 → x = ____, y = ____
- 6x + 9y = 45, x = 3 → y = ____
- 9x + 9y = 90, x = 2 → y = ____
- x + y = 13, x − y = 1 → x = ____, y = ____
- x + y = 5, x − y = -1 → x = ____, y = ____
- x + y = 16, x − y = 2 → x = ____, y = ____
- 4x + 3y = 23, x = 5 → y = ____
- 4x + 2y = 38, x = 5 → y = ____
- 8x + 1y = 25, x = 2 → y = ____
- x + y = 9, x − y = 7 → x = ____, y = ____
- 5x + 7y = 26, x = 1 → y = ____
- 6x + 7y = 63, x = 7 → y = ____
- x + y = 12, x − y = -4 → x = ____, y = ____