document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=164800>Question 164800</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this equation:<BR>\n" );
document.write( "x+2y+3z=6<BR>\n" );
document.write( "y+2z=0<BR>\n" );
document.write( "z=2\r<BR>\n" );
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document.write( "can you do this by substitution please.<BR>\n" );
document.write( "thank you </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #121459 by </B><A HREF=/tutors/aboutme.mpl?userid=Mathtut><B>Mathtut(3670)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Mathtut><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=121459\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> sure ,lets start with z=2 and substitute that into the other 2 equations..we end up with x+2y+3(2)=6 simplified is x+2y=0  and y+2(2)=0  simplifying we get y=-4<BR>\n" );
document.write( " sinc we know y=-4 we can substitute that into the 2nd equation which was simplified to  x+2y+0  and we get x+2(-4)=0  solving for x we arrive at x=8\r<BR>\n" );
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document.write( "so x=8<BR>\n" );
document.write( "   y=-4<BR>\n" );
document.write( "   z=2 </SPAN>\n" );
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