One Step Equations Crossword Puzzle

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Across
  1. 2. x - 11 = 8
  2. 6. 6 + x = 23
  3. 7. 3 + x = 9
  4. 9. x + 3 = 18
  5. 10. x + 8 = 7
  6. 11. x - 17 = 3
  7. 14. 9 = x + 4
  8. 15. x - 7 = 5
  9. 16. 7 = -3 + x
Down
  1. 1. 8 = 14 + x
  2. 3. x - 20 = -7
  3. 4. 5 + x = 23
  4. 5. x - 9 = 5
  5. 8. 7 + x = 5
  6. 12. 4 = x - 12
  7. 13. 2 + x = 13