document.write( "Question 1193253: Cody bought nine CDs. A week later half
\n" ); document.write( "of all his CDs were lost during a move.
\n" ); document.write( "There are now only 21 CDs left. With
\n" ); document.write( "how many did he start?
\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #825272 by ikleyn(52811) $\"\"$ $\"About$

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

\r\n" );
document.write( "\r\n" );
document.write( "Let x be the number of CDs originally.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "The problem says that\r\n" );
document.write( "\r\n" );
document.write( "     = 21.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Simplify and find x \r\n" );
document.write( "\r\n" );
document.write( "    x + 9 = 42\r\n" );
document.write( "\r\n" );
document.write( "    x     = 42 - 9 = 33.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "ANSWER.  Originally, there were 33 CDs.\r\n" );
document.write( "

\r
\n" ); document.write( "\n" ); document.write( "Solved.\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );