Math

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Across
  1. 1. 63 divided by x=21
  2. 4. 50-x=30
  3. 6. 10+x=15
  4. 7. 15+x=-43
  5. 9. -10-x=-23
  6. 10. 7 times 9+x=67
  7. 11. 20-x=4
Down
  1. 2. 9 times 9-x=7
  2. 3. 10 times 4+x=47
  3. 5. 5+x=26
  4. 8. 30 divided by x=3
  5. 12. 24 divided by x=12