document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=246181>Question 246181</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you show me the steps to solve this please..\r<BR>\n" );
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document.write( "x-y-z=6<BR>\n" );
document.write( "x-2y-3z=14<BR>\n" );
document.write( "x-3y-7z=28\r<BR>\n" );
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document.write( "All of these three equation are used to find out the value of x, y, and z<BR>\n" );
document.write( "Thank you very much.. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #179828 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=179828\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x-y-z=6<BR>\n" );
document.write( "x-2y-3z=14<BR>\n" );
document.write( "x-3y-7z=28 <BR>\n" );
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document.write( "Subtract the 1st Eq. from the 2nd<BR>\n" );
document.write( "Subtract the 1st Eq. from the 3rd.<BR>\n" );
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document.write( "x-y-z=6<BR>\n" );
document.write( "0-y-2z=8<BR>\n" );
document.write( "0-2y-6z=22<BR>\n" );
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document.write( "Subtract 2 times the 2nd Eq from the 3rd.<BR>\n" );
document.write( "x-y-z=6<BR>\n" );
document.write( "0-y-2z=8<BR>\n" );
document.write( "0-0-2z=6<BR>\n" );
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document.write( "Solve the 3rd equation for \"z\":<BR>\n" );
document.write( "-2z = 6<BR>\n" );
document.write( "z = -3<BR>\n" );
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document.write( "Substitute z = -3 into the 2nd Eq. and solve for \"y\":<BR>\n" );
document.write( "-y-2(-3) = 8<BR>\n" );
document.write( "-y + 6 = 8<BR>\n" );
document.write( "y = -2<BR>\n" );
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document.write( "Substitute z=-3 and y=-2 into the 1st Eq and solve for \"x\":<BR>\n" );
document.write( "x-(-2)-(-3) = 6<BR>\n" );
document.write( "x+2+3 = 6<BR>\n" );
document.write( "x = 1<BR>\n" );
document.write( "---------------------------------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "  </SPAN>\n" );
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