document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=926828>Question 926828</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The system of equations x+2y+z=9, 2x+y+3z=7 can be expressed as </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #562502 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=562502\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x+2y+z=9, <BR>\n" );
document.write( "<u>-2(2x+y+3z=7 )</u><BR>\n" );
document.write( "-3x -5z = -5<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-3%2F5%29x+%2B+1 ALIGN=MIDDLE  ALT=\"%28-3%2F5%29x+%2B+1\"   DISABLED_style= \"max-width:90%; height:auto;\" > = z<BR>\n" );
document.write( ".........<BR>\n" );
document.write( "x + 2y + (-3/5)x + 1 = 9<BR>\n" );
document.write( "2y + (2/5)x  = 8<BR>\n" );
document.write( "y = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-2%2F10%29x+%2B+4 ALIGN=MIDDLE  ALT=\"%28-2%2F10%29x+%2B+4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(x, (-2/10)x + 4, (-3/5)x + 1) for all values of x<BR>\n" );
document.write( ".....<BR>\n" );
document.write( "x = 10<BR>\n" );
document.write( "(10, 2, -5)<BR>\n" );
document.write( "......<BR>\n" );
document.write( "And...checking<BR>\n" );
document.write( "x+2y+z=9<BR>\n" );
document.write( "10 + 4 - 5 = 9  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );