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OpenStudy (anonymous):
The sum of the two digits of a number is 16. The number formed by reversing the digits is 18 more than the original number. Determine the original number. Let t = the tens digit, u = the units digit, and u + t = 16. Which of the following equations would complete the system? 9t - 9u = 18 9u - 9t = 18 tu = ut + 18
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OpenStudy (flashp):
9u - 9t = 18 100% sure
OpenStudy (anonymous):
thank you man
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