document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1011120>Question 1011120</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the four equations simultaneously ,\r<BR>\n" );
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document.write( "2a+c=0<BR>\n" );
document.write( "3a+2b+d=3<BR>\n" );
document.write( "a+3b+c=2<BR>\n" );
document.write( "b+d= -1<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 #626688 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=626688\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> More ways than just one.  I would try eliminating or substituting for a, using the third-row equation, as <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a=2-4b-c ALIGN=MIDDLE  ALT=\"a=2-4b-c\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  Simplify the resulting system and you will have THREE equations in THREE unknown variables.  \r<BR>\n" );
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document.write( "What you do may depend on what skills you are being taught.  Matrices?  Simple linear systems in Elementary/Intro Algebra 1 ?\r<BR>\n" );
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document.write( "Part of but not the whole solution,<BR>\n" );
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