document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=328674>Question 328674</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If the side of a square is increased by 4 cm, the perimeter becomes 136 cm. Find the length of the side of the original square. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #235448 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=235448\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let side of square be x<BR>\n" );
document.write( "it is increased by 4<BR>\n" );
document.write( "new length = (x+4)<BR>\n" );
document.write( "Perimeter of square = 4*L<BR>\n" );
document.write( "=4*(x+4)<BR>\n" );
document.write( "=4x+16<BR>\n" );
document.write( "..<BR>\n" );
document.write( "4x+16= 136<BR>\n" );
document.write( "add -16 to both sides<BR>\n" );
document.write( "4x+16-16=136-16<BR>\n" );
document.write( "4x=120<BR>\n" );
document.write( "divide by 4<BR>\n" );
document.write( "4x/4 = 120/4<BR>\n" );
document.write( "x=30 cm the side of original square<BR>\n" );
document.write( "..<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );