document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1197422>Question 1197422</A>: <I><SPAN STYLE=\"word-break: break-all;\"> x	 + 	2y	 − 	z	 = 	−5<BR>\n" );
document.write( "y	 − 	3z	 = 	−13<BR>\n" );
document.write( "x	 − 	3y	 + 	2z	 = 	12<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 #830680 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=830680\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> -----------------<BR>\n" );
document.write( "x + 2y − z = −5<BR>\n" );
document.write( "y − 3z = −13<BR>\n" );
document.write( "x − 3y + 2z = 12<BR>\n" );
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document.write( "What skill or method are you required to use?<BR>\n" );
document.write( "You could use E1 and E3 to find an equation in variables y and z, and then you would have a system in just two variables, y and z.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28x=-2y%2Bz-5%2Cx=3y-2z%2B12%29 ALIGN=MIDDLE  ALT=\"system%28x=-2y%2Bz-5%2Cx=3y-2z%2B12%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-2y%2Bz-5=3y-2z%2B12 ALIGN=MIDDLE  ALT=\"-2y%2Bz-5=3y-2z%2B12\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-5y%2B3z=17 ALIGN=MIDDLE  ALT=\"-5y%2B3z=17\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5y-3z=-17 ALIGN=MIDDLE  ALT=\"5y-3z=-17\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "System in two variables is<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28y-3z=-13%2C5y-3z=-17%29 ALIGN=MIDDLE  ALT=\"system%28y-3z=-13%2C5y-3z=-17%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28y-3z=-13%2C-5y%2B3z=17%29 ALIGN=MIDDLE  ALT=\"system%28y-3z=-13%2C-5y%2B3z=17%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Add corresponding members, eliminating z.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-4y=4 ALIGN=MIDDLE  ALT=\"-4y=4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28y=-1%29 ALIGN=MIDDLE  ALT=\"highlight%28y=-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Using from the simpler system OR second equation of original system, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y-3z=-13 ALIGN=MIDDLE  ALT=\"y-3z=-13\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-1-3z=-13 ALIGN=MIDDLE  ALT=\"-1-3z=-13\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-3z=-12 ALIGN=MIDDLE  ALT=\"-3z=-12\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28z=4%29 ALIGN=MIDDLE  ALT=\"highlight%28z=4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "and you can find x. </SPAN>\n" );
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