document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=234518>Question 234518</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a square plywood platform has a perimeter which is 7 times the lenght of side, decreased by 21. find the lenght of a side </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #172924 by </B><A HREF=/tutors/aboutme.mpl?userid=nyc_function><B>nyc_function(2741)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nyc_function><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=nyc_function><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=172924\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A square is equal on all 4 sides.\r<BR>\n" );
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document.write( "The perimeter = 7s - 21\r<BR>\n" );
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document.write( "The perimeter of a square formula is P = 4s, where s represents the side of the square.\r<BR>\n" );
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document.write( "7s - 21 = 4s\r<BR>\n" );
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document.write( "Solve for s and you will find the answer. \r<BR>\n" );
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document.write( "Can you do it now? </SPAN>\n" );
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