document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=459938>Question 459938</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I'm 46 and am trying to refresh my algebra....\r<BR>\n" );
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document.write( "How would I solve this by using substitution or the addition-or- subtraction method?\r<BR>\n" );
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document.write( "2m=n-3<BR>\n" );
document.write( "3m=2n-9\r<BR>\n" );
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document.write( "Thanks<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #315421 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=315421\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> m=3 n=9<BR>\n" );
document.write( "2m=n-3<BR>\n" );
document.write( "3m=2n-9<BR>\n" );
document.write( "substitution<BR>\n" );
document.write( "n=2m+3<BR>\n" );
document.write( "3m=2(2m+3)-9<BR>\n" );
document.write( "3m=4m+6-9<BR>\n" );
document.write( "3m=4m-3<BR>\n" );
document.write( "0=m-3<BR>\n" );
document.write( "3=m<BR>\n" );
document.write( "2*3=n-3<BR>\n" );
document.write( "6=n-3<BR>\n" );
document.write( "9=n\r<BR>\n" );
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document.write( "check<BR>\n" );
document.write( "6=9-3<BR>\n" );
document.write( "6=6\r<BR>\n" );
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document.write( "9=18-9<BR>\n" );
document.write( "9=9<BR>\n" );
document.write( "ok<BR>\n" );
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document.write( "</TD></TR></TABLE>\n" );