document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=832914>Question 832914</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A triangle has a perimeter of 57 inches. Side A is 3 inches shorter than twice side B, and side C is 4 inches longer than side B. How many inches long is side A?\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #502238 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=502238\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A triangle has a perimeter of 57 inches. Side A is 3 inches shorter than twice side B, and side C is 4 inches longer than side B. How many inches long is side A? <BR>\n" );
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document.write( "Equations:<BR>\n" );
document.write( "A + B + C = 57 inches<BR>\n" );
document.write( "A = 2B-3<BR>\n" );
document.write( "C = B+4<BR>\n" );
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document.write( "Substitute for A and C and solve for \"B\":<BR>\n" );
document.write( "2B-3 + B + B+4 = 57<BR>\n" );
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document.write( "4B + 1 = 57<BR>\n" );
document.write( "4B = 56<BR>\n" );
document.write( "B = 14 inches<BR>\n" );
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document.write( "A = 2B-3 = 2*14-3 = 25 inches<BR>\n" );
document.write( "C = B+4 = 18 inches<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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