document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=148971>Question 148971</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A sailboat sail in the shape of an isosceles triangle has a base that is 9 feet longer that either of the equal sides. If the perimeter of the sail is 21 feet, then what is the length of the base of the sail? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #109301 by </B><A HREF=/tutors/aboutme.mpl?userid=mangopeeler07><B>mangopeeler07(462)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mangopeeler07><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=109301\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> equal sides: x<BR>\n" );
document.write( "base: x+9\r<BR>\n" );
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document.write( "2x+x+9=21\r<BR>\n" );
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document.write( "Combine like terms<BR>\n" );
document.write( "3x+9=21\r<BR>\n" );
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document.write( "Subtract 9<BR>\n" );
document.write( "3x=12\r<BR>\n" );
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document.write( "Divide by 3<BR>\n" );
document.write( "x=4\r<BR>\n" );
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document.write( "plug that into:<BR>\n" );
document.write( "base=x+9<BR>\n" );
document.write( "base=4+9<BR>\n" );
document.write( "base=13 </SPAN>\n" );
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