SOLUTION: i am a two-digit number. the sum of my digits is 9. i am an even number. the difference in my digits is 9 what am i?

Question 141092: i am a two-digit number. the sum of my digits is 9. i am an even number. the difference in my digits is 9 what am i?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
i am a two-digit number. the sum of my digits is 9. i am an even number. the difference in my digits is 9 what am i?
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Any two-digit number can be written 10t+u
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EQUATIONS:
t + u = 9
t - u = 9
--------------
2t = 18
t = 9
u = 0
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Number: 90
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Cheers,
Stan H.
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