document.write( "Question 1193045: 1. the difference of two numbers is 21. \n" ); document.write( "
Algebra.Com's Answer #824997 by ikleyn(52908)\"\" \"About 
You can put this solution on YOUR website!
.
\n" ); document.write( "1. the difference of two numbers is 21.
\n" ); document.write( "~~~~~~~~~~~~~~~~~\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "x - y = 21.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Actually,  writing equation/equations for word problems is simple task : \r
\n" ); document.write( "\n" ); document.write( "there is nothing difficult/complicated in it . . . except your prejudice.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "The standard mantra is :   write equation as you read the problem.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "This mantra is your ENGINE :   repeat it every time as you perform such task . . . \r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );