document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=884531>Question 884531</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve each system by the addition method. <BR>\n" );
document.write( " 5x+4y=12<BR>\n" );
document.write( " 7x-6y=40<BR>\n" );
document.write( " put your answer in ordered pair (x,y) form </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #534406 by </B><A HREF=/tutors/aboutme.mpl?userid=skartikey><B>skartikey(21)</B></A><img src=\"/images/stars/stars-07.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=skartikey><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=skartikey><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=534406\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (5x+4y=12)3=>15x+12y=36<BR>\n" );
document.write( "(7x-6y=40)2=>14x-12y=80<BR>\n" );
document.write( "by adding two equations, we get<BR>\n" );
document.write( "29x=116<BR>\n" );
document.write( "=>x=4<BR>\n" );
document.write( "and <BR>\n" );
document.write( "  5(4)+4y=12<BR>\n" );
document.write( "=>4y=12-20<BR>\n" );
document.write( "=>4y=-8<BR>\n" );
document.write( "=>y=-2<BR>\n" );
document.write( "(x,y)=(4,-2) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );