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 = 3 → x = ____, y = ____
- x + y = 15, x − y = -3 → x = ____, y = ____
- x + y = 15, x − y = 3 → x = ____, y = ____
- x + y = 12, x − y = -4 → x = ____, y = ____
- x + y = 5, x − y = 3 → x = ____, y = ____
- 1x + 5y = 11, x = 6 → y = ____
- 9x + 3y = 81, x = 6 → y = ____
- 4x + 3y = 38, x = 8 → y = ____
- 1x + 3y = 25, x = 7 → y = ____
- 1x + 9y = 80, x = 8 → y = ____
- 9x + 2y = 21, x = 1 → y = ____
- 1x + 1y = 11, x = 6 → y = ____
- 7x + 7y = 49, x = 5 → y = ____
- x + y = 12, x − y = 6 → x = ____, y = ____
- x + y = 9, x − y = 5 → x = ____, y = ____
- x + y = 12, x − y = 0 → x = ____, y = ____
- x + y = 6, x − y = -2 → x = ____, y = ____
- x + y = 12, x − y = 2 → x = ____, y = ____
- 5x + 8y = 74, x = 2 → y = ____
- x + y = 9, x − y = 7 → x = ____, y = ____