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October 21, 2014

October 21, 2014

Posted by **DANIELLE** on Thursday, December 21, 2006 at 10:20am.

Can some one please help me here?

The tens digit is T, the units digit is U.

The number is TU, its value is 10T +U

Reverse it, subtract the origial number

10U + T - 10T -U =9

T+ U=11

Those are the guiding equations. Simplify the first, and solve.

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