document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=251815>Question 251815</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If a matrix B results from a matrix A by applying an elementary row operation, is there always an elementary row operation that can be applied to B to recover A ?\r<BR>\n" );
document.write( "\n" );
document.write( "Show that if the linear equations\r<BR>\n" );
document.write( "\n" );
document.write( " \r<BR>\n" );
document.write( "\n" );
document.write( "x1 + kx2 = c and x1 + lx2 = d have the same solution set, then the equations are identical </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #183539 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=183539\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> They are equivalent not identical. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );