document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1097284>Question 1097284</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The given system of linear equations has a unique solution<BR>\n" );
document.write( "2x + y- z = -5<BR>\n" );
document.write( "-5x - 3y + 2z = 7<BR>\n" );
document.write( "x + 4y - 3z = 0\r<BR>\n" );
document.write( "\n" );
document.write( "what is the value of x? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #711686 by </B><A HREF=/tutors/aboutme.mpl?userid=KMST><B>KMST(5328)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=KMST><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=KMST><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=711686\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Multiplying 2x + y- z = -5 times -1 gives you -2x - y+ z = 5<BR>\n" );
document.write( "If you add that and the other two equations, you get<BR>\n" );
document.write( "-2x - y  +  z = 5<BR>\n" );
document.write( "-5x - 3y + 2z = 7<BR>\n" );
document.write( "  x + 4y - 3z = 0<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "-6x + 0y + 0z = 12<BR>\n" );
document.write( "That is<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-6x+=+12 ALIGN=MIDDLE  ALT=\"-6x+=+12\"   DISABLED_style= \"max-width:90%; height:auto;\" > ---> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=12%2F%28-6%29 ALIGN=MIDDLE  ALT=\"x=12%2F%28-6%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > ---> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x=-2%29 ALIGN=MIDDLE  ALT=\"highlight%28x=-2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > . </SPAN>\n" );
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