document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=12503>Question 12503</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the question says solve the following system of euqations by elimination.\r<BR>\n" );
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document.write( "x+2z =5<BR>\n" );
document.write( "-4x+6y =0<BR>\n" );
document.write( "x-2z=9\r<BR>\n" );
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document.write( "this is the order that the problem is set up, and i haven't seen anything like this, so i need a little help on what to do. \r<BR>\n" );
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document.write( "thanks matt </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #6358 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=6358\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve by elimination:\r<BR>\n" );
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document.write( "1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+%2B+2z+=+5 ALIGN=MIDDLE  ALT=\"x+%2B+2z+=+5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-4x+%2B+6y+=+0 ALIGN=MIDDLE  ALT=\"-4x+%2B+6y+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "3) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+-+2z+=+9 ALIGN=MIDDLE  ALT=\"x+-+2z+=+9\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Add equations 1) and 3) to eliminate z.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+%2B+2z+=+5 ALIGN=MIDDLE  ALT=\"x+%2B+2z+=+5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+-+2z+=+9 ALIGN=MIDDLE  ALT=\"x+-+2z+=+9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x+=+14 ALIGN=MIDDLE  ALT=\"2x+=+14\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+7 ALIGN=MIDDLE  ALT=\"x+=+7\"   DISABLED_style= \"max-width:90%; height:auto;\" >  Substitute this value of x into equation 1) and solve for z.\r<BR>\n" );
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document.write( "1)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7+%2B+2z+=+5 ALIGN=MIDDLE  ALT=\"7+%2B+2z+=+5\"   DISABLED_style= \"max-width:90%; height:auto;\" > Subtract 7 from both sides.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2z+=+-2 ALIGN=MIDDLE  ALT=\"2z+=+-2\"   DISABLED_style= \"max-width:90%; height:auto;\" > Divide both sides by 2.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=z+=+-1 ALIGN=MIDDLE  ALT=\"z+=+-1\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "Substitute x = 7 into equation 2) and solve for y.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-4%287%29+%2B+6y+=+0 ALIGN=MIDDLE  ALT=\"-4%287%29+%2B+6y+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-28+%2B+6y+=+0 ALIGN=MIDDLE  ALT=\"-28+%2B+6y+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" > Add 28 to both sides.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6y+=+28 ALIGN=MIDDLE  ALT=\"6y+=+28\"   DISABLED_style= \"max-width:90%; height:auto;\" > Divide both sides by 6.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+28%2F6 ALIGN=MIDDLE  ALT=\"y+=+28%2F6\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 4 2/3\r<BR>\n" );
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document.write( "To check the solutions, substitute x = 7, y = 4 2/3, and z = -1 into the original equations.  I'll leave for you to do.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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