document.write( "Question 551139: The tens digit of a certain two digit number is two more than the units digit. The original number is 18 more than the number formed by interchanging the digits. What is the original number? Please help me solve this!!!! \n" ); document.write( "
Algebra.Com's Answer #359459 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! x=2+y \n" ); document.write( "10x+y=18+10y+x which reduces to \n" ); document.write( "y=x-2 which is equivalent to x=2+y \n" ); document.write( "so any x (tens digit) that is 2 more than y (units digit) will work \n" ); document.write( "97=79+18 \n" ); document.write( "86=68+18 \n" ); document.write( "75=57+18 \n" ); document.write( "64=46+18 \n" ); document.write( "53=35+18 \n" ); document.write( "42=24+18 \n" ); document.write( "31=13+18 \n" ); document.write( " \n" ); document.write( " |