solving equations

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Across
  1. 3. -50-c=5c-2
  2. 6. −r−10r
  3. 8. 4(k-2)=2(k-9)
  4. 9. n+4−9−5n
  5. 11. 7k+8=2k-37
  6. 13. 3(1-9a)+22a=2(2a-9)-15
  7. 15. 8x+17=2x+35
  8. 16. n−10+9n−3
  9. 17. m+3=9m-13
  10. 18. 6a+40=2a
Down
  1. 1. 2(3v-5)=2(v-11)-4
  2. 2. 8(y-7)=-2(y+3)
  3. 4. 12r+5+3r−5
  4. 5. -4y+6=-3y+12
  5. 7. 6r-5=1+8r-24
  6. 10. -8(p+2)+p=4(p+3)+5
  7. 12. −2x+11+6x
  8. 14. -3(8k+5)=3(9-k)
  9. 17. -3(3m-10)-7=-5(m+1)+3m
  10. 19. −6k+7k