document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=681486>Question 681486</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve each system using a graphing calculator<BR>\n" );
document.write( "2x+3y+z=13<BR>\n" );
document.write( "5x-2y-4z=7<BR>\n" );
document.write( "4x+5y+-3z=25 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #422678 by </B><A HREF=/tutors/aboutme.mpl?userid=MathMan88><B>MathMan88(14)</B></A><img src=\"/images/stars/stars-06.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathMan88><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=422678\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use Reduce Row Echelon Form<BR>\n" );
document.write( "rref<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%283%2C4%2C2%2C3%2C1%2C13%2C5%2C-2%2C-4%2C7%2C4%2C5%2C-3%2C25%29 ALIGN=MIDDLE  ALT=\"matrix%283%2C4%2C2%2C3%2C1%2C13%2C5%2C-2%2C-4%2C7%2C4%2C5%2C-3%2C25%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "gives<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%283%2C4%2C1%2C0%2C0%2C%282.268%29%2C0%2C1%2C0%2C%282.951%29%2C0%2C0%2C1%2C%28-.3902%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "which translates into <BR>\n" );
document.write( "x=(2.26829...)<BR>\n" );
document.write( "y=(2.95121...)<BR>\n" );
document.write( "z=(-.39024...) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );