document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=540927>Question 540927</A>: <I><SPAN STYLE=\"word-break: break-all;\"> i have tried this problem four times and i keep getting the same ordered triple (2,-5,3). But when i substitute the answer in it does not work. \r<BR>\n" );
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document.write( "1) x + 2y + 2z = -2<BR>\n" );
document.write( "2) 2x - y + 3z = -6<BR>\n" );
document.write( "3) x - 3y + 2z = -7\r<BR>\n" );
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document.write( "1) x + 2y + 2z = -2<BR>\n" );
document.write( "2) (2x - y + 3z = -6)2<BR>\n" );
document.write( "   4x - 2y +6z = -12<BR>\n" );
document.write( "    x + 2y + 2z = -2<BR>\n" );
document.write( "  NEW 1) 5x + 8z = -14\r<BR>\n" );
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document.write( "2) (2x - y + 3z = -6)-3<BR>\n" );
document.write( "3)  x - 3y + 2z = -7<BR>\n" );
document.write( "    -6x + 3y - 9z =18<BR>\n" );
document.write( "      x - 3y + 2z = -7<BR>\n" );
document.write( "  NEW 3) -5x - 7z = 11<BR>\n" );
document.write( "  NEW 1) 5x + 8z = -14<BR>\n" );
document.write( "               z = 3<BR>\n" );
document.write( "NEW 1)5x + 8z = -14<BR>\n" );
document.write( "      5x + 8(3) = -14<BR>\n" );
document.write( "      x = 2<BR>\n" );
document.write( "Original 1)  x + 2y + 2z = -2<BR>\n" );
document.write( "             2 + 2y + 2(3) = -2 <BR>\n" );
document.write( "             2 + 2y + 6 = -2<BR>\n" );
document.write( "                     y = -5\r<BR>\n" );
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document.write( "  \r<BR>\n" );
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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 #353915 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=353915\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> mult eqn 1) by -2 and add to eqn 2) ___ -5y - z = -2 (A)\r<BR>\n" );
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document.write( "mult eqn 1) by -1 and add to eqn 3) ___ -5y = -5 ___ y = 1\r<BR>\n" );
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document.write( "substituting ___ -5(1) - z = -2 ___ z = -3\r<BR>\n" );
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document.write( "substituting ___ x + 2(1) + 2(-3) = -2 ___ x = 2 </SPAN>\n" );
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