document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1102858>Question 1102858</A>: <I><SPAN STYLE=\"word-break: break-all;\"> without calculating, solve for z and explain why\r<BR>\n" );
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document.write( "3x + 2y + 4z -7w = 4\r<BR>\n" );
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document.write( "2x -5y +7z + 2w  = 7\r<BR>\n" );
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document.write( "4x +2y -3z -3w =  -3\r<BR>\n" );
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document.write( "x -11y +2z +9w = 2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #717584 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=717584\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> without calculating, solve for z and explain why\r<BR>\n" );
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document.write( "3x + 2y + 4z -7w = 4\r<BR>\n" );
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document.write( "2x -5y +7z + 2w  = 7\r<BR>\n" );
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document.write( "4x +2y -3z -3w =  -3\r<BR>\n" );
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document.write( "x -11y +2z +9w = 2<BR>\n" );
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document.write( "The coefficient of z equals the right side.<BR>\n" );
document.write( "--> z = 1<BR>\n" );
document.write( "x = y = w = 0<BR>\n" );
document.write( " </SPAN>\n" );
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