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

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

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User Johntron
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2 Answers

3 votes
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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User Subtubes
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8.4k points
4 votes
the answer to ur equation is 18
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User Andreas Lymbouras
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8.6k points
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