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17 August, 00:48

Evaluate 7r - 15/s when r=3 and s=5

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Answers (2)
  1. 17 August, 03:11
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    The answer to ur equation is 18
  2. 17 August, 04:14
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    First you substitute the values. So 7 (3) - 15 / (5). 7 x 3 is equal to 21, so the equation is now 21 - 15 / (5), and 15/5 is equal to 3. You are now left with 21 - 3, which is equal to 18.
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