document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=38784>Question 38784</A>: <I><SPAN STYLE=\"word-break: break-all;\"> x/2 + y/4 = 1/7<BR>\n" );
document.write( "x/4 + y/6 = 1/4\r<BR>\n" );
document.write( "\n" );
document.write( "solve for x and y<BR>\n" );
document.write( "I got x = 29/49 if this is correct please help me determine y.<BR>\n" );
document.write( "thank you. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #24743 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=24743\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> From<BR>\n" );
document.write( "x/2 + y/4 = 1/7<BR>\n" );
document.write( "x/4 + y/6 = 1/4<BR>\n" );
document.write( "we can multiply the bottom one by two and subtract...we get<BR>\n" );
document.write( "x/2 + y/4 = 1/7<BR>\n" );
document.write( "-(x/2 + y/3 = 1/2)<BR>\n" );
document.write( "and then have<BR>\n" );
document.write( "-y/12 = -5/14<BR>\n" );
document.write( "so that <BR>\n" );
document.write( "y = 30/7<BR>\n" );
document.write( "now plug that in to either equation and get<BR>\n" );
document.write( "x/2 + 15/14 = 1/7<BR>\n" );
document.write( "multiply all by 14<BR>\n" );
document.write( "7x + 15 = 2<BR>\n" );
document.write( "7x = -13<BR>\n" );
document.write( "x = -13/7 </SPAN>\n" );
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