document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=296238>Question 296238</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this.<BR>\n" );
document.write( "7x + 9y = -27<BR>\n" );
document.write( "-2x - 7y= 21 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #213502 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=213502\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "7x + 9y = -27<BR>\n" );
document.write( "-2x - 7y= 21<BR>\n" );
document.write( "multiply first by 2<BR>\n" );
document.write( "second by 7\r<BR>\n" );
document.write( "\n" );
document.write( "2*7x + 2*9y = -2*27<BR>\n" );
document.write( "-2*7x - 7*7y= 147<BR>\n" );
document.write( "-14x-49y=147<BR>\n" );
document.write( "14x+18y=-54<BR>\n" );
document.write( "-31y=93<BR>\n" );
document.write( "y=-3<BR>\n" );
document.write( "-2x-7y=21<BR>\n" );
document.write( "-2x-7*(-3)=21<BR>\n" );
document.write( "-2x=0<BR>\n" );
document.write( "x=0<BR>\n" );
document.write( "x=0 y=-3 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );