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  • 11-09-2020
  • Mathematics
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14. 3 (a-2) -4 (29-3)=
15. 3 (x+2y) -2 (2x-y)
16. 3 (2c+d) -3 (3c-20)
17. 4 (a+3b+7) +2 (a-2b-1)

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castillolovesamantha castillolovesamantha
  • 11-09-2020
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