document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=201999>Question 201999</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/9780395977224/algebrahomeworkh>Algebra Structure and Method</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Solve be either the subsistution or the addition-or-subtraction method.<BR>\n" );
document.write( "2m = n - 3           <BR>\n" );
document.write( "3m = 2n - 9                                                 <BR>\n" );
document.write( "Am I suppose to change the equation to <BR>\n" );
document.write( "n - 3 = 2m <BR>\n" );
document.write( "3n - 9 = 3m \r<BR>\n" );
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document.write( "Or change it to an additon problem?  I'm really stuck </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #152244 by </B><A HREF=/tutors/aboutme.mpl?userid=adamchapman><B>adamchapman(301)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=adamchapman><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=152244\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> OK, what you need to do is mix the 2 equations together into one expression.\r<BR>\n" );
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document.write( "do this by subtracting one from the other, everything on the left hand side together and then  everything on the right hand side of the \"=\" sign. It is very important to keep terms on the same side.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2m+-+3m+=++n+-+3++-+2n+%2B+9 ALIGN=MIDDLE  ALT=\"2m+-+3m+=++n+-+3++-+2n+%2B+9\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "which simplifies to\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-m+=+-n+-+12 ALIGN=MIDDLE  ALT=\"-m+=+-n+-+12\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "or<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2m+=+-27+%2B+12 ALIGN=MIDDLE  ALT=\"2m+=+-27+%2B+12\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "so m=-7.5\r<BR>\n" );
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document.write( "Hope you can go through this and make sens of it,<BR>\n" );
document.write( "Adam\r<BR>\n" );
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document.write( "now plug this in to the first equation (2m = n - 3 ):\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2n+%2B+24+=+n-3 ALIGN=MIDDLE  ALT=\"+2n+%2B+24+=+n-3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "which solves to give <BR>\n" );
document.write( "n=-27\r<BR>\n" );
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document.write( "replace n with -27 in your first equation again to get<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+m+=+n-3 ALIGN=MIDDLE  ALT=\"+m+=+n-3\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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