document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=333423>Question 333423</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve by the elimination method:<BR>\n" );
document.write( "7r-9s=-35<BR>\n" );
document.write( "9r+7s=85 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #238991 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=238991\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 7r-9s=-35<BR>\n" );
document.write( "9r+7s=85<BR>\n" );
document.write( "..<BR>\n" );
document.write( "multiply first equation by -9 and equation2 by 7<BR>\n" );
document.write( "-63r+81s=315<BR>\n" );
document.write( "63r+49s=595<BR>\n" );
document.write( "81s+49s=595+315<BR>\n" );
document.write( "130s=910<BR>\n" );
document.write( "s= 7<BR>\n" );
document.write( "..<BR>\n" );
document.write( "plug value of s in first equation<BR>\n" );
document.write( "7r-9s=-35<BR>\n" );
document.write( "7r-63=-35<BR>\n" );
document.write( "7x=28<BR>\n" );
document.write( "x= 4 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );