document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1051700>Question 1051700</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve using Matrices<BR>\n" );
document.write( "-4x=12<BR>\n" );
document.write( "-2x+y-2z=1<BR>\n" );
document.write( "2x+2y+2z=8<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 #667154 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</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=667154\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Simplified form of the system:   <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28x=-3%2C2x-y%2B2z=-1%2Cx%2By%2Bz=4%29 ALIGN=MIDDLE  ALT=\"system%28x=-3%2C2x-y%2B2z=-1%2Cx%2By%2Bz=4%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=NextOperationIs%2CR1%2C%28-1%29R2%2CR2%2BR3 ALIGN=MIDDLE  ALT=\"NextOperationIs%2CR1%2C%28-1%29R2%2CR2%2BR3\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "I will let YOU do the last row operation.  It should be  add some multiple of row 3 to row 2 to eliminate the coefficient on z.<BR>\n" );
document.write( "How do you start with 3 and get 2?<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=v=2%2F3 ALIGN=MIDDLE  ALT=\"v=2%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Row 3 to be used as  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28%282%2F3%293%2C%282%2F3%29%2A10%29 ALIGN=MIDDLE  ALT=\"system%28%282%2F3%293%2C%282%2F3%29%2A10%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%282%2C20%2F3%29 ALIGN=MIDDLE  ALT=\"system%282%2C20%2F3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "The operation to do then is to change row 2 according to  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R2%2B%282%2F3%29%2AR3 ALIGN=MIDDLE  ALT=\"R2%2B%282%2F3%29%2AR3\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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