Homework Help: math

Posted by akhil on Sunday, June 24, 2012 at 11:39am.

The sum of the digits of a 2 digit num is 15 then the num obtained by reversing the digits exeeds the given no by 9. find the num

math - bobpursley, Sunday, June 24, 2012 at 11:45am
x+y=15
10y+x=10x+y + 9

x+y=15
9y-9x=15

solve for x and y.

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