document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1028176>Question 1028176</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Paula belongs to a music club.  When she buys 7 compact disks and 2 cassettes, she spends $119.  If she buys 5 compact disks and 4 cassettes, she spends $103.  What is the cost of each item? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #643337 by </B><A HREF=/tutors/aboutme.mpl?userid=Cromlix><B>Cromlix(4381)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Cromlix><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Cromlix><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=643337\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> HI there,<BR>\n" );
document.write( "Make the compact discs = x<BR>\n" );
document.write( "Make the cassettes = y<BR>\n" );
document.write( "7x + 2y = 119........(1)<BR>\n" );
document.write( "5x + 4y = 103........(2)<BR>\n" );
document.write( "Multiply Eq(1) by 2<BR>\n" );
document.write( "14x + 4y = 238.......(1)<BR>\n" );
document.write( "5x  + 4y = 103.......(2)<BR>\n" );
document.write( "Subtract (2) from (1)<BR>\n" );
document.write( "9x = 135<BR>\n" );
document.write( "x = 15<BR>\n" );
document.write( "Substitute x = 15 in Eq(2)<BR>\n" );
document.write( "5x + 4y = 103........(2)<BR>\n" );
document.write( "5(15) + 4y = 103<BR>\n" );
document.write( "75 + 4y = 103<BR>\n" );
document.write( "4y = 103 - 75<BR>\n" );
document.write( "4y = 28<BR>\n" );
document.write( "y = 7<BR>\n" );
document.write( "Compact discs cost $15<BR>\n" );
document.write( "Cassettes cost $7<BR>\n" );
document.write( "Hope this helps :-) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );