document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=61198>Question 61198</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can someone please explain the System of linear equation by substitution.  Thank you\r<BR>\n" );
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document.write( "5X + 2Y = -1<BR>\n" );
document.write( "2X - y = -13 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #42117 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=42117\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2X-Y=-13<BR>\n" );
document.write( "-Y=-2X-13 <BR>\n" );
document.write( "Y=2X+13<BR>\n" );
document.write( "NOW SUBSTITUTE (2X+13) FOR X IN THE OTHER ERQUATION WE GET<BR>\n" );
document.write( "5X+2(2X+13)=-1<BR>\n" );
document.write( "5X+4X+26=-1<BR>\n" );
document.write( "9X=-26-1<BR>\n" );
document.write( "9X=-27<BR>\n" );
document.write( "X=-27/9<BR>\n" );
document.write( "X=-3 SOLUTION NOW SUBSTITUTE 3 FOR X IN THE OTHER EQUATION<BR>\n" );
document.write( "2*-3-Y=-13<BR>\n" );
document.write( "-6-Y=-13<BR>\n" );
document.write( "-Y=6-13<BR>\n" );
document.write( "-Y=-7<BR>\n" );
document.write( "Y=7 </SPAN>\n" );
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