Q. 53.5( 17 Votes )

A number is 27 more than the number obtained by reversing its digits. If its unit’s and ten’s digit are x and y respectively, write the linear equation representing the above statement.

Answer :

Given, a number is 27 more than the number obtained by reversing its digits.


Number is 10y + x


Reverse of the number is 10x + y


10y + x = 10x + y + 27


9x – 9y + 27 = 0


x – y + 3 = 0


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