document.write( "Question 1148621: the ten's digit of a two digit positive integer is two more than three times the unit's digit. if the digits interchanged, the new number is 13 less than half the given number. find the original number. (use 2 variables, thanks!) \n" ); document.write( "

Algebra.Com's Answer #769969 by ikleyn(52908) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "

\r\n" );
document.write( "\r\n" );
document.write( "For this 2-digit number, there are only 2 possibilities:  51  or  82\r\n" );
document.write( "\r\n" );
document.write( "    (based on the first statement).\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Then easy check, based on the second statement, gives the unique answer  82.\r\n" );
document.write( "

\r
\n" ); document.write( "\n" ); document.write( "10 seconds to solve . . . \r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Using two variables and making algebra solution is non-necessary and excessive job in this case.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );