Sistemas de ecuaciones Worksheet

Recommended for octavo grado — Escuela secundaria

New Worksheet

Sistemas de ecuaciones Worksheet

Name: ____________________Date: ____________

Instructions: Resolución de sistemas de ecuaciones lineales por sustitución y eliminación.

20 problems

  1. 9x + 7y = 80, x = 5 → y = ____
  2. x + y = 8, x − y = 0 → x = ____, y = ____
  3. x + y = 12, x − y = 2 → x = ____, y = ____
  4. 6x + 2y = 36, x = 3 → y = ____
  5. 9x + 4y = 62, x = 6 → y = ____
  6. x + y = 15, x − y = -1 → x = ____, y = ____
  7. 3x + 2y = 19, x = 5 → y = ____
  8. x + y = 15, x − y = 3 → x = ____, y = ____
  9. x + y = 10, x − y = -2 → x = ____, y = ____
  10. 9x + 8y = 145, x = 9 → y = ____
  11. 8x + 7y = 97, x = 6 → y = ____
  12. 5x + 2y = 36, x = 6 → y = ____
  13. x + y = 11, x − y = -5 → x = ____, y = ____
  14. 4x + 3y = 7, x = 1 → y = ____
  15. x + y = 8, x − y = -2 → x = ____, y = ____
  16. x + y = 9, x − y = 7 → x = ____, y = ____
  17. x + y = 7, x − y = -1 → x = ____, y = ____
  18. 6x + 7y = 117, x = 9 → y = ____
  19. 1x + 9y = 82, x = 1 → y = ____
  20. 9x + 4y = 104, x = 8 → y = ____