Extra Credit Crossword (Hint: Some of the words repeat!)

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Across
  1. 4. z+2=3z+2
  2. 6. −4(−3n−8)=10n+20
  3. 8. 33-12=7b
  4. 9. c-20=4-3c
  5. 10. 2x+3=31
  6. 11. 13+3b=4+3
  7. 13. 6v+12=36
  8. 14. 2+x-3=7
Down
  1. 1. 2x+5≥9
  2. 2. 12-b=-1+1
  3. 3. 4b+7=27
  4. 5. b+7=b-1x1/1+6
  5. 7. 7x-x=120/2
  6. 10. 18=9d-18
  7. 12. 7+5b=22