document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=99881>Question 99881</A>: <I><SPAN STYLE=\"word-break: break-all;\"> hi  I do not undrestand solving using substitution method for example<BR>\n" );
document.write( "x=y-1       x=y+6      r=-3s<BR>\n" );
document.write( "y=4-2x      y=-2-x     r=10-4s\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #72704 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=72704\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x=y-1 now substitute (y-1) for x in the other equation & solve for y:<BR>\n" );
document.write( "y=4-2(y-1)<BR>\n" );
document.write( "y=4-2y+1<BR>\n" );
document.write( "y+2y=5<BR>\n" );
document.write( "3y=5<BR>\n" );
document.write( "y=5/3 answer. <BR>\n" );
document.write( "now replace y with 5/3 & solve for x:<BR>\n" );
document.write( "x=5/3-1<BR>\n" );
document.write( "x=5/3-3/3<BR>\n" );
document.write( "x=2/3 answer.<BR>\n" );
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document.write( "x=y+6 now replace x in the othere equation & solve for y:<BR>\n" );
document.write( "y=2-(y+6)<BR>\n" );
document.write( "y=2-y-6<BR>\n" );
document.write( "y+y=-4<BR>\n" );
document.write( "2y=-4<BR>\n" );
document.write( "y=-4/2<BR>\n" );
document.write( "y=-2 answer.<BR>\n" );
document.write( "x=-2+6<BR>\n" );
document.write( "x=4 answer.<BR>\n" );
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document.write( "Now do the same with the next set of equations: </SPAN>\n" );
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