SOLUTION: Two numbers have a sum of 12. One of the numbers is r. Find the other number.

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Question 299006: Two numbers have a sum of 12. One of the numbers is r. Find the other number.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Two numbers have a sum of 12. One of the numbers is r. Find the other number.
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Let the "other number" be x:
Equation:
x + r = 12
x = 12-r
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Cheers,
Stan H.