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9 February, 21:12

20). 5r=22

21). X/4 = - 9

22). 3x - 5 = 13

23). 1/4d + 2=3

24). - 21-5x=64

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Answers (1)
  1. 9 February, 23:34
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    Dividing by 5, R=22/5, now divide 22/5=4.4
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