document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=39072>Question 39072</A>: <I><SPAN STYLE=\"word-break: break-all;\"> SOLVE BY ELIMINATION BY ADDITION SHOW WORK PLEASE<BR>\n" );
document.write( "7X-5Y=52<BR>\n" );
document.write( "2X+5Y=47 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #24512 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=24512\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The idea is that we are allowed to add equations, and that's what we do to<BR>\n" );
document.write( "7X-5Y=52<BR>\n" );
document.write( "2X+5Y=47<BR>\n" );
document.write( "If we add the, the 5y's drop out, they cancel, leaving<BR>\n" );
document.write( "9X = 99 and<BR>\n" );
document.write( "X = 11<BR>\n" );
document.write( "Now we can plug that in to either equation and get<BR>\n" );
document.write( "7(11) - 5Y = 52<BR>\n" );
document.write( "-5Y = - 25<BR>\n" );
document.write( "Y = 5 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );