document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=511574>Question 511574</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the system of equations step by step?\r<BR>\n" );
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document.write( "x-2y+3z=-7<BR>\n" );
document.write( "4x+5y+z=4<BR>\n" );
document.write( "-x+y-2z=5 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #342290 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=342290\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> add 3rd eqn to 1st eqn ___ -y + z = -2 (A)\r<BR>\n" );
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document.write( "multiply 3rd eqn by 4, then add to 2nd eqn ___ 9y - 7z = 24 (B)\r<BR>\n" );
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document.write( "multiply eqn (A) by 7, then add to eqn (B) ___ 2y = 10\r<BR>\n" );
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document.write( "substitute back the value of y to find x and z </SPAN>\n" );
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