document.write( "Question 39828: The units of a two-digit number is 1 less than the tens digit. Nine times the tens digit is less than the number with the digits reversed. Find the least such number. \n" ); document.write( "
Algebra.Com's Answer #25300 by hackercracker(2)\"\" \"About 
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let the no. be 10x+y\r
\n" ); document.write( "\n" ); document.write( "first equation:-\r
\n" ); document.write( "\n" ); document.write( "y=x-1\r
\n" ); document.write( "\n" ); document.write( "second equation:-\r
\n" ); document.write( "\n" ); document.write( "9x=10y+x\r
\n" ); document.write( "\n" ); document.write( "solve them and get no. =54
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