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. 2x + 8y = 28, x = 6 → y = ____
  2. 8x + 3y = 81, x = 9 → y = ____
  3. x + y = 15, x − y = -1 → x = ____, y = ____
  4. x + y = 6, x − y = -4 → x = ____, y = ____
  5. x + y = 5, x − y = 1 → x = ____, y = ____
  6. 1x + 1y = 5, x = 1 → y = ____
  7. x + y = 6, x − y = 0 → x = ____, y = ____
  8. x + y = 10, x − y = -8 → x = ____, y = ____
  9. x + y = 9, x − y = 1 → x = ____, y = ____
  10. x + y = 11, x − y = 7 → x = ____, y = ____
  11. 5x + 6y = 63, x = 9 → y = ____
  12. 3x + 9y = 69, x = 8 → y = ____
  13. 8x + 9y = 136, x = 8 → y = ____
  14. x + y = 13, x − y = 5 → x = ____, y = ____
  15. 5x + 1y = 28, x = 5 → y = ____
  16. 6x + 6y = 54, x = 1 → y = ____
  17. 1x + 4y = 38, x = 2 → y = ____
  18. 9x + 1y = 72, x = 7 → y = ____
  19. 1x + 4y = 39, x = 3 → y = ____
  20. 4x + 7y = 59, x = 6 → y = ____