document.write( "Question 464396: The sum of the digits of a two-digit number is 15. If the digits are reversed, the new number is only 9 more than the original number. What was the original number? \n" ); document.write( "
Algebra.Com's Answer #318131 by jorel1380(3719)![]() ![]() You can put this solution on YOUR website! m+n=15 \n" ); document.write( "m=15-n \n" ); document.write( "10m+n=10n+m+9 \n" ); document.write( "10(15-n)+n=10n+15-n+9 \n" ); document.write( "150-9n=9n+24 \n" ); document.write( "18n=126 \n" ); document.write( "n=7 \n" ); document.write( "m=8 \n" ); document.write( "The original number was 78.. \n" ); document.write( " |