Writing Linear Equations Crossword Puzzle

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Across
  1. 3. Question #17
  2. 5. Question #10
  3. 6. Question #12
  4. 7. Question #18
  5. 10. Question #2
  6. 12. Question #7
  7. 13. Question #13
  8. 14. Question #1
  9. 16. Question #3
  10. 17. Question #16
Down
  1. 1. Question #9
  2. 2. Question #14
  3. 4. Question #8
  4. 6. Question #4
  5. 8. Question #5
  6. 9. Question #6
  7. 11. Question #11
  8. 12. Question #15
  9. 13. Question #19
  10. 15. Question #20