document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1025387>Question 1025387</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Michael bought 2 notebooks and 1 pen for 7$. Rick bought 1 notebook and 5 pens for 8$. How much does the notebook cost ?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #640735 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=640735\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi there,<BR>\n" );
document.write( "Make notebooks = x<BR>\n" );
document.write( "Make pens = y<BR>\n" );
document.write( "2x + y = 7.......(1)<BR>\n" );
document.write( "x + 5y = 8.......(2)<BR>\n" );
document.write( "Multiply Eq(1) by 5<BR>\n" );
document.write( "10x + 5y = 35....(1)<BR>\n" );
document.write( "x + 5y = 8.......(2)<BR>\n" );
document.write( "Subtract Eq(2) from Eq(1)<BR>\n" );
document.write( "9x = 27<BR>\n" );
document.write( "x = 3<BR>\n" );
document.write( "Substitute x = 3 into Eq(2)<BR>\n" );
document.write( "x + 5y = 8<BR>\n" );
document.write( "3 + 5y = 8<BR>\n" );
document.write( "5y = 8 - 3<BR>\n" );
document.write( "5y = 5<BR>\n" );
document.write( "y = 1<BR>\n" );
document.write( "Notebook costs $3<BR>\n" );
document.write( "Pen costs $1<BR>\n" );
document.write( "Hope this helps :-) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );