document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=99918>Question 99918</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the system by addition.<BR>\n" );
document.write( "5x – 4y = –5<BR>\n" );
document.write( "x – 2y = –7<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #72734 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=72734\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve the system by addition.<BR>\n" );
document.write( "1st: 5x – 4y = –5<BR>\n" );
document.write( "2nd: x – 2y = –7<BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "Multiply 2nd by 2 to get:<BR>\n" );
document.write( "3rd: 2x-4y=-14<BR>\n" );
document.write( "Subtract 3rd from 1st to get:<BR>\n" );
document.write( "3x=9<BR>\n" );
document.write( "x=3<BR>\n" );
document.write( "----------<BR>\n" );
document.write( "Substitute into x-2y=-7 to solve for y:<BR>\n" );
document.write( "3-2y=-7<BR>\n" );
document.write( "2y = 10<BR>\n" );
document.write( "y = 5<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "Solution: x=3 ; y=5<BR>\n" );
document.write( "=============================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );