document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=916642>Question 916642</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the perimeter of a triangle is 30 cm. the length of one side is 7 cm shorter than the second side and the third side is 1 cm longer than the second side. find the length of each side using the system of linear equations in three variables </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #556168 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=556168\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x the length of the second side<BR>\n" );
document.write( "(x-7) + x + (x+1) = 30cm<BR>\n" );
document.write( "3x = 36<BR>\n" );
document.write( "x = 12cm, the length of the second side<BR>\n" );
document.write( "sides are: 5cm, 12cm, 13cm<BR>\n" );
document.write( "...<BR>\n" );
document.write( "And...checking<BR>\n" );
document.write( "sum = 30cm </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );