SOLUTION: A two-digit number is 72 less than the number obtained by reversing the digits. Find the number.

Question 1046935: A two-digit number is 72 less than the number obtained by reversing the digits. Find the number.
Found 2 solutions by josmiceli, advanced_Learner:
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = the tens digit
Let = the units digit
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The only thing that fits here is:

because if is or less,
then becomes zero or negative
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The number is 19
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check:

OK
Answer by advanced_Learner(501) (Show Source): You can put this solution on YOUR website!
guess work 91 and 19 difference is 72.
the number is 19
since 19=-72+91

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