document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=929890>Question 929890</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do I solve this system of equations?\r<BR>\n" );
document.write( "\n" );
document.write( "x+y+4z = 10<BR>\n" );
document.write( "x+y+2z = 4<BR>\n" );
document.write( "x-4y-8z=-36\r<BR>\n" );
document.write( "\n" );
document.write( "Im a little lost because i am not sure what equations to start of with or if the system has infinite solutions. Can someone please help?\r<BR>\n" );
document.write( "\n" );
document.write( "thank you\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #564557 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=564557\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x+y+4z = 10<BR>\n" );
document.write( "<u>-2(x+y+2z = 4)</u><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+-+x+-+y+=+2 ALIGN=MIDDLE  ALT=\"+-+x+-+y+=+2\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( ".....<BR>\n" );
document.write( "4(x+y+2z = 4)<BR>\n" );
document.write( "<u> x-4y-8z=-36 </u><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5x++=+-20 ALIGN=MIDDLE  ALT=\"5x++=+-20\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x = -4   and y = 2  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+-+x+-+y+=+2 ALIGN=MIDDLE  ALT=\"+-+x+-+y+=+2\"   DISABLED_style= \"max-width:90%; height:auto;\" > ,<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+4+-2 ALIGN=MIDDLE  ALT=\"y+=+4+-2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-4 + 2 + 4z = 10<BR>\n" );
document.write( "4z = 12<BR>\n" );
document.write( "z = 3<BR>\n" );
document.write( "..........<BR>\n" );
document.write( "(-4, 2, 3) the solution for this System<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );