document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1064863>Question 1064863</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Obtain an equivalent system by performing the stated elementary operation on the system. Replace the third equation by the sum of itself and negative &#8722;3 times the second equation\r<BR>\n" );
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document.write( "7x+6y-15z=-14<BR>\n" );
document.write( "8x-4y-6z=24<BR>\n" );
document.write( "3x+10y-5z=-12 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #679976 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=679976\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Obtain an equivalent system by performing the stated elementary operation on the system. Replace the third equation by the sum of itself and negative &#8722;3 times the second equation <BR>\n" );
document.write( "7x+6y-15z=-14<BR>\n" );
document.write( "8x-4y-6z=24<BR>\n" );
document.write( "3x+10y-5z=-12 <BR>\n" );
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document.write( "Ans::<BR>\n" );
document.write( "7x+6y-15z=-14<BR>\n" );
document.write( "8x-4y-6z=24<BR>\n" );
document.write( "-21x+22y+13z=-84<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );