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 = ____
- 9x + 7y = 86, x = 8 → y = ____
- 3x + 9y = 57, x = 1 → y = ____
- 3x + 9y = 42, x = 8 → y = ____
- 5x + 9y = 42, x = 3 → y = ____
- 9x + 5y = 41, x = 4 → y = ____
- x + y = 6, x − y = 2 → x = ____, y = ____
- x + y = 12, x − y = -4 → x = ____, y = ____
- x + y = 11, x − y = 5 → x = ____, y = ____
- 1x + 3y = 10, x = 1 → y = ____
- x + y = 11, x − y = -1 → x = ____, y = ____
- x + y = 8, x − y = 0 → x = ____, y = ____
- 9x + 9y = 81, x = 6 → y = ____
- 3x + 1y = 22, x = 5 → y = ____
- 1x + 7y = 39, x = 4 → y = ____
- 7x + 9y = 98, x = 5 → y = ____
- 3x + 7y = 74, x = 6 → y = ____
- 8x + 7y = 46, x = 4 → y = ____
- 2x + 8y = 34, x = 1 → y = ____
- 1x + 3y = 31, x = 4 → y = ____