document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=302008>Question 302008</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve each system using the substitution method.<BR>\n" );
document.write( "s+t=-5<BR>\n" );
document.write( "s-t=3 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #216693 by </B><A HREF=/tutors/aboutme.mpl?userid=london+maths+tutor><B>london maths tutor(243)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=london+maths+tutor><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=london+maths+tutor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=216693\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> s+t=-5 ... equation 1<BR>\n" );
document.write( "s-t=3 ... equation 2\r<BR>\n" );
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document.write( "Rearrange equation 2: <BR>\n" );
document.write( "s-t = 3<BR>\n" );
document.write( "s = t + 3 <BR>\n" );
document.write( "Put s = t+3 into equation 1 \r<BR>\n" );
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document.write( "(t+3)+t = -5<BR>\n" );
document.write( "3 + 2t = -5<BR>\n" );
document.write( "2t = -8<BR>\n" );
document.write( "t = -4\r<BR>\n" );
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document.write( "Put t = -4 into equation 2 <BR>\n" );
document.write( "s -(-4) = 3<BR>\n" );
document.write( "s + 4 = 3 <BR>\n" );
document.write( "s = -1 \r<BR>\n" );
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document.write( "Answer: s = -1 and t = -4  </SPAN>\n" );
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