document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=687065>Question 687065</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use Cramer's rule to solve the system of equations. If D = 0, use another method to determine the solution set.\r<BR>\n" );
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document.write( "  x + y + z = 9<BR>\n" );
document.write( "2x - 3y + 4z = 7\r<BR>\n" );
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document.write( "answers:\r<BR>\n" );
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document.write( "		Cramer's rule does not apply since D = 0; cant be done<BR>\n" );
document.write( "		Cramer's rule does not apply since D = 0; z+34/5, 2z+11/5,5<BR>\n" );
document.write( "		Cramer's rule does not apply since D = 0; -7z+34/5, 2z+11/5,5<BR>\n" );
document.write( "		Cramer's rule does not apply since D = 0; -7z+34/5, 2z-11/5,5\r<BR>\n" );
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document.write( "My final answer was D. I don't think it is correct though I was confused. Can somone please show me their steps and the correct answer?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #425006 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=425006\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x + y + z = 9<BR>\n" );
document.write( "2x - 3y + 4z = 7 \r<BR>\n" );
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document.write( "has this coefficient matrix\r<BR>\n" );
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document.write( "<tr><TD >1</TD><TD >1</TD><TD >1</TD></tr>\r\n" );
document.write( "<tr><TD >2</TD><TD >-3</TD><TD >4</TD></tr>\r\n" );
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document.write( "but this matrix is NOT square. So the determinant cannot be computed, which means that you can't use Cramer's Rule here. </SPAN>\n" );
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