Mathematics, 04.12.2019 04:31 kwhitt
In a two-digit number, the tens digit is two less than the units digit. if the digits are reversed, the sum of the reversed number and the original number is 154. find the original number.
Answers: 3
, where 
are positive integers between 0 and 9 
.
.
, by substitution we get
.
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In a two-digit number, the tens digit is two less than the units digit. if the digits are reversed,...
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