document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=258522>Question 258522</A>: <I><SPAN STYLE=\"word-break: break-all;\"> alright here goes lol. i tryed to solve it and came up with some strange answers. <BR>\n" );
document.write( "1. 4x+2y+z=7<BR>\n" );
document.write( "   2x+2y-4z=-4<BR>\n" );
document.write( "   x+3y-2z=-8\r<BR>\n" );
document.write( "\n" );
document.write( "My attempts: (sorry for the confusing factor x.x)<BR>\n" );
document.write( "(4x+2y+z=7)4<BR>\n" );
document.write( " 2x+2y-4z=28<BR>\n" );
document.write( "_____________<BR>\n" );
document.write( " 2x+2y=-4<BR>\n" );
document.write( " 16x+8y+28<BR>\n" );
document.write( "___________<BR>\n" );
document.write( "18x+10y=24\r<BR>\n" );
document.write( "\n" );
document.write( "(4x+2y+z=7)2<BR>\n" );
document.write( " x+3y-2z=-8<BR>\n" );
document.write( "____________<BR>\n" );
document.write( "8x+4x+2z=7\r<BR>\n" );
document.write( "\n" );
document.write( "(9x+7y=-1)-2<BR>\n" );
document.write( " 18x+10y=24<BR>\n" );
document.write( "____________<BR>\n" );
document.write( "-18x-14y=2<BR>\n" );
document.write( "18x+10y=24<BR>\n" );
document.write( "___________<BR>\n" );
document.write( "-4y = 26<BR>\n" );
document.write( "___   ___<BR>\n" );
document.write( "-4     -4<BR>\n" );
document.write( "y=-6.5\r<BR>\n" );
document.write( "\n" );
document.write( "18x+10(-6.5)=24\r<BR>\n" );
document.write( "\n" );
document.write( "18x-65=24<BR>\n" );
document.write( "__________<BR>\n" );
document.write( "18x=89<BR>\n" );
document.write( "x=4.94\r<BR>\n" );
document.write( "\n" );
document.write( "4(4.94)+2(-6.5)+z=7<BR>\n" );
document.write( "19.70-13+z=7\r<BR>\n" );
document.write( "\n" );
document.write( "6.76+z=7<BR>\n" );
document.write( "z=.24\r<BR>\n" );
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document.write( "thats it. im sorry its so confusing. im so very confused about this stuff so please help x.x </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #190336 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=190336\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x = 3,   y = -3,   z = 1\r<BR>\n" );
document.write( "\n" );
document.write( "Now for your attempt<BR>\n" );
document.write( "(4x+2y+z=7)4<BR>\n" );
document.write( " 2x+2y-4z=28<BR>\n" );
document.write( "_____________<BR>\n" );
document.write( " 2x+2y=-4<BR>\n" );
document.write( " 16x+8y+28\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "(4x+2y+z=7) *4<BR>\n" );
document.write( "16x+8y+4z=28<BR>\n" );
document.write( "What happened to the 4z and why only three terms?<BR>\n" );
document.write( "From here on it is trouble.<BR>\n" );
document.write( "Let's try again\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "4x+2y+z=7 (1)<BR>\n" );
document.write( "2x+2y-4z=-4 (2)<BR>\n" );
document.write( "x+3y-2z=-8 (3) <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );