document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=99905>Question 99905</A>: <I><SPAN STYLE=\"word-break: break-all;\">  A rectangle with a length of 3 and width of (\"x- 1\")has an area of \"m\" square units and the perimeter of \"2m\" units. What is the value of \"x\"? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #72815 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=72815\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A=L*W<BR>\n" );
document.write( "A=3(x-1)=3x-3=m<BR>\n" );
document.write( "P=2(L+W)=2(3+x-1)=2(x+2)=2x+4=2m<BR>\n" );
document.write( ".<BR>\n" );
document.write( "3x-3=m<BR>\n" );
document.write( "2x+4=2m<BR>\n" );
document.write( ".<BR>\n" );
document.write( "3x-m=3<BR>\n" );
document.write( "2x-2m=-4<BR>\n" );
document.write( ".<BR>\n" );
document.write( "multiply -2 times the top equation:<BR>\n" );
document.write( "-6x+2m=-6<BR>\n" );
document.write( "2x-2m=-4<BR>\n" );
document.write( "----------add<BR>\n" );
document.write( "-4x=-10<BR>\n" );
document.write( "x=2.5 Ans.<BR>\n" );
document.write( "replace 2.5 for x in the 1st equation: m=3*2.5-3=7.5-3=4.5<BR>\n" );
document.write( "m=4.5<BR>\n" );
document.write( "Check:<BR>\n" );
document.write( "3*(2.5-1)=4.5 true<BR>\n" );
document.write( "2(3+2.5-1)=2*4.5...2*4.5=2*4.5 true<BR>\n" );
document.write( "Ed\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );