document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=550285>Question 550285</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The length of a rectangle is 4 times the width. The perimeter is 50 cm. Find the length and width. Can you show me how to do this, maybe by elimination? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #358586 by </B><A HREF=/tutors/aboutme.mpl?userid=TutorDelphia><B>TutorDelphia(193)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=TutorDelphia><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=TutorDelphia><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=358586\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> l=4w<BR>\n" );
document.write( "2l+2w=50 (this is from the perimeter formula 2l+2w=p\r<BR>\n" );
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document.write( "You mentioned you wanted to do this using the elimination method. Let's get both equations in good form for that.<BR>\n" );
document.write( "l=4w<BR>\n" );
document.write( "subtract 4w from both sides<BR>\n" );
document.write( "l-4w=0\r<BR>\n" );
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document.write( "2l+2w=50<BR>\n" );
document.write( "divide both sides by 2\r<BR>\n" );
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document.write( "l+w=25<BR>\n" );
document.write( "minus<BR>\n" );
document.write( "l-4w=0<BR>\n" );
document.write( "5w=25 (minus -4w gives us +4w)<BR>\n" );
document.write( "w=5<BR>\n" );
document.write( "l=20 </SPAN>\n" );
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