document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=820043>Question 820043</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the system of equations\r<BR>\n" );
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document.write( "1) x+y+z+w=2 <BR>\n" );
document.write( "2x-3z= 5 <BR>\n" );
document.write( "x-2y+ 4w= 9 <BR>\n" );
document.write( "x+y+ 2z+ 3w= 5 \r<BR>\n" );
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document.write( "2) x-y= 3 <BR>\n" );
document.write( "2x+y= 6 <BR>\n" );
document.write( "x-2y= 9 \r<BR>\n" );
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document.write( "3) x-y+z-w= 0 <BR>\n" );
document.write( "3x-y-z-w= 2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #493545 by </B><A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><B>TimothyLamb(4379)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><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=TimothyLamb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=493545\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Linear system 1:<BR>\n" );
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document.write( "x + y + z + w = 2 <BR>\n" );
document.write( "2x - 3z = 5 <BR>\n" );
document.write( "x - 2y + 4w = 9 <BR>\n" );
document.write( "x + y + 2z + 3w = 5<BR>\n" );
document.write( "---<BR>\n" );
document.write( "copy and paste the above standard form equations in to this solver:<BR>\n" );
document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php<BR>\n" );
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document.write( "answer 1:<BR>\n" );
document.write( "x= 1<BR>\n" );
document.write( "y= 0<BR>\n" );
document.write( "z= -1<BR>\n" );
document.write( "w= 2<BR>\n" );
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document.write( "----------------------------------------------------------<BR>\n" );
document.write( "Linear system 2:<BR>\n" );
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document.write( "x - y = 3 <BR>\n" );
document.write( "2x + y = 6 <BR>\n" );
document.write( "x - 2y = 9<BR>\n" );
document.write( "---<BR>\n" );
document.write( "copy and paste the above standard form equations in to this solver:<BR>\n" );
document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "answer 2:<BR>\n" );
document.write( "this linear system is singular; it has no solution<BR>\n" );
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document.write( "Linear system 3:<BR>\n" );
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document.write( "x - y + z - w = 0 <BR>\n" );
document.write( "3x - y - z - w = 2<BR>\n" );
document.write( "---<BR>\n" );
document.write( "copy and paste the above standard form equations in to this solver:<BR>\n" );
document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "answer 3:<BR>\n" );
document.write( "this linear system of 4 variables requires 4 equations for a unique solution<BR>\n" );
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document.write( "Solve and graph linear equations:<BR>\n" );
document.write( "https://sooeet.com/math/linear-equation-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve quadratic equations, quadratic formula:<BR>\n" );
document.write( "https://sooeet.com/math/quadratic-formula-solver.php<BR>\n" );
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document.write( "Solve systems of linear equations up to 6-equations 6-variables:<BR>\n" );
document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );