document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=609884>Question 609884</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I'm working on this section in my Algebra book called Elimination by Addition Method/Systems using two linear equations, and I'm stuck on this word problem.<BR>\n" );
document.write( "Can somebody please help me and explain how to set it up and solve it?<BR>\n" );
document.write( "Many thanks!\r<BR>\n" );
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document.write( "Suppose that we have a rectangular book cover. If the width is increased by 2 centimeters, and the length is decreased by 1 centimeter, then the area is increased by 28 square centimeters. However, if the width is decreased by 1 centimeter and the length is increased by 2 centimeters, then the area is increased by 10 square centimeters. Find the dimensions of the book cover.\r<BR>\n" );
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document.write( "This is what I tried doing\r<BR>\n" );
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document.write( "(W+2)(L-1)= 28<BR>\n" );
document.write( "(W-1)(L+2)=10\r<BR>\n" );
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document.write( "I know I'm doing something wrong and I cant figure out another way to set up the equations.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #383990 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=383990\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Suppose that we have a rectangular book cover. If the width is increased by 2 centimeters, and the length is decreased by 1 centimeter, then the area is increased by 28 square centimeters. However, if the width is decreased by 1 centimeter and the length is INCREASED by 2 centimeters, then the area is increased by 10 square centimeters. Find the dimensions of the book cover. \r<BR>\n" );
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document.write( "(W+2)(L-1)= 28<BR>\n" );
document.write( "(W-1)(L+2)= 38 <BR>\n" );
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document.write( "Note that the area was INCREASED by 10 cm.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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