document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1002143>Question 1002143</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me with this problem. I have never understood this but have tried but for some reasons my answers comes out incorrect. Please show all work.\r<BR>\n" );
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document.write( "Given the system of equations <BR>\n" );
document.write( "2x&#8722;3y&#8722;9z=9<BR>\n" );
document.write( "x+3z=3<BR>\n" );
document.write( "&#8722;3x+y&#8722;4z=&#8722;10\r<BR>\n" );
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document.write( " (a) determine whether the system is inconsistent or dependent; <BR>\n" );
document.write( " Your answer is (input inconsistent or dependent)  <BR>\n" );
document.write( " (b) if your answer is dependent in (a), find the complete solution. Write x and y as functions of z.\r<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 #619131 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=619131\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Given the system of equations <BR>\n" );
document.write( "2x &#8722;3y  -9z=9<BR>\n" );
document.write( "x  +0y + 3z=3<BR>\n" );
document.write( "&#8722;3x+y&#8722;4z=&#8722;10<BR>\n" );
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document.write( "Note:: x = -3z+3<BR>\n" );
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document.write( "Substitute for \"x\" in rows 1 and 3::<BR>\n" );
document.write( "2(-3z+3) -3y - 9z = 9<BR>\n" );
document.write( "-3(-3z+3) + y - 4z = -10<BR>\n" );
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document.write( "Simplify::<BR>\n" );
document.write( "-3y -15z = 3<BR>\n" );
document.write( "y + 5z = -1<BR>\n" );
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document.write( "Modify::<BR>\n" );
document.write( "y + 5z = -1<BR>\n" );
document.write( "y + 5z = -1<BR>\n" );
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document.write( "The system is dependent. <BR>\n" );
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document.write( "y = -5z-1<BR>\n" );
document.write( "x = -3z + 3<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
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