document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=244870>Question 244870</A>: <I><SPAN STYLE=\"word-break: break-all;\"> i need to solve using substitution.  how do i go about solving this problem:<BR>\n" );
document.write( "5r-s=5<BR>\n" );
document.write( "-4r+5s=17 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #179067 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=179067\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> solve 1st eqn for s ___ 5r - 5 = s\r<BR>\n" );
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document.write( "SUBSTITUTE into 2nd eqn ___ -4r + 5(5r - 5) = 17\r<BR>\n" );
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document.write( "-4r + 25r - 25 = 17 ___ 21r = 42 ___ r = 2\r<BR>\n" );
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document.write( "SUBSTITUTE to find s ___ 5(2) - 5 = s ___ 5 = s </SPAN>\n" );
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