document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=85591>Question 85591</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1.The length of a rectangle is 2 cm more than twice its width.  If the perimeter of the rectangle is 52 cm, find the dimensions of the rectangle.\r<BR>\n" );
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document.write( "2. Solve and graph the solution set.	3x > 7x + 20\r<BR>\n" );
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document.write( "3.Solve and graph the solution set.     3(x – 4) > 7x – 9\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 #61936 by </B><A HREF=/tutors/aboutme.mpl?userid=ptaylor><B>ptaylor(2198)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ptaylor><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=ptaylor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=61936\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1.  <BR>\n" );
document.write( "Let w=width of rectangle<BR>\n" );
document.write( "Then the length=2w+2\r<BR>\n" );
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document.write( "Perimeter=2w+2l, so:\r<BR>\n" );
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document.write( "52=2w+2(2w+2) get rid of parens\r<BR>\n" );
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document.write( "52=2w+4w+4 subtract 4 from both sides<BR>\n" );
document.write( "52-4=2w+4w+4-4 collect like terms\r<BR>\n" );
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document.write( "48=6w  divide both sides by 6\r<BR>\n" );
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document.write( "w=8 cm--------------------width of rectangle\r<BR>\n" );
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document.write( "2w+2=2*8+2=18cm-------------------length of rectangle\r<BR>\n" );
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document.write( "CK<BR>\n" );
document.write( "52=2w+2l<BR>\n" );
document.write( "52=2*8+2*18<BR>\n" );
document.write( "52=16+36<BR>\n" );
document.write( "52=52\r<BR>\n" );
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document.write( "2.\r<BR>\n" );
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document.write( "3x>7x+20  subtract 7x from both sides\r<BR>\n" );
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document.write( "3x-7x>20 collect like terms<BR>\n" );
document.write( "-4x>20  divide both sides by -4 (remember the inequality sign will reverse)\r<BR>\n" );
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document.write( "x<-5  You Graph.  Hint: got to x=-5 on the x-y axis and draw a vertical line.  x will always be to the left of that line.\r<BR>\n" );
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document.write( " 3.\r<BR>\n" );
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document.write( "3(x–4)>7x–9  get rid of parens\r<BR>\n" );
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document.write( "3x-12>7x-9  subtract 7x and add 12 to both sides\r<BR>\n" );
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document.write( "3x-12+12-7x>7x-7x-9+12  collect like terms<BR>\n" );
document.write( "-4x>3  divide both sides by -4(inequality sign reverses, again)\r<BR>\n" );
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document.write( "x<-3/4 You graph--same as before\r<BR>\n" );
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document.write( "Hope this helps---ptaylor\r<BR>\n" );
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