Mathematics Puzzle

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Across
  1. 3. -12x = -60
  2. 4. -6y = 24
  3. 6. -2x = 44
  4. 7. 8y = -32
  5. 9. -n + 21 = 3
  6. 11. x/-9 = 45
  7. 12. 4n = -28
  8. 13. y/-12 = -38
  9. 14. x - 3 = 51
Down
  1. 1. n/4 = -40
  2. 2. y + 5 = 70
  3. 3. -y/8 = 56
  4. 5. n - 65 = 20
  5. 8. -x/7 = 35
  6. 10. -x - 36 = 9