document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=137495>Question 137495</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve by the substitution method.\r<BR>\n" );
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document.write( "7m + n= 12<BR>\n" );
document.write( "m - 8n= 18\r<BR>\n" );
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document.write( "Help me please. This chapter is just aweful for me I understand hardly anything. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #100590 by </B><A HREF=/tutors/aboutme.mpl?userid=oscargut><B>oscargut(2103)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=oscargut><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=oscargut><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=100590\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 7m + n= 12 (1st eq)<BR>\n" );
document.write( "m - 8n= 18 (2nd eq)<BR>\n" );
document.write( "so from 1st eq you have n=12-7m<BR>\n" );
document.write( "then you substitute on the 2nd<BR>\n" );
document.write( "m-8(12-7m)=18<BR>\n" );
document.write( "57m-96=18<BR>\n" );
document.write( "57m=114<BR>\n" );
document.write( "m=2<BR>\n" );
document.write( "n=-2<BR>\n" );
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