document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=250374>Question 250374</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need to solve this by elimination and get an ordered pair<BR>\n" );
document.write( "5r-7s=-28<BR>\n" );
document.write( "7r+5s=94<BR>\n" );
document.write( "can someone please help me I cant get the right answer, thank you<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 #182293 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=182293\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Okay, let's multiply the top one by five and the bottom one by seven and get<BR>\n" );
document.write( "5r-7s=-28<BR>\n" );
document.write( "7r+5s=94<BR>\n" );
document.write( "becomes<BR>\n" );
document.write( "25r - 35s = -140<BR>\n" );
document.write( "49r + 35s = 658<BR>\n" );
document.write( "then add equations...notice the esses drop out...<BR>\n" );
document.write( "74r = 518  now divide by 74 and get<BR>\n" );
document.write( "r = 7  now substitute that back in to either of the original equations and get...<BR>\n" );
document.write( "5(7) - 7s = -28<BR>\n" );
document.write( "35 - 7s = -28<BR>\n" );
document.write( "-7s = -63<BR>\n" );
document.write( "s = 9<BR>\n" );
document.write( "Your ordered pair is then (7, 9). </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );