document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1022258>Question 1022258</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The width of a room is three-fifths of its length. When the width is increased by 2 metres and the length is decreased by 2 metres the resultant shape is a square. <BR>\n" );
document.write( "Find the dimensions of the room. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #637994 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39625)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=637994\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w=%283%2F5%29L ALIGN=MIDDLE  ALT=\"w=%283%2F5%29L\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Changes to dimensions:<BR>\n" );
document.write( "Width to w+2, length to L-2;<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w%2B2=L-2 ALIGN=MIDDLE  ALT=\"w%2B2=L-2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Solve the system <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28w=%283%2F5%29L%2Cw%2B2=L-2%29 ALIGN=MIDDLE  ALT=\"system%28w=%283%2F5%29L%2Cw%2B2=L-2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w-L=-4 ALIGN=MIDDLE  ALT=\"w-L=-4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L-w=4 ALIGN=MIDDLE  ALT=\"L-w=4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5w=3L ALIGN=MIDDLE  ALT=\"5w=3L\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3L-5w=0 ALIGN=MIDDLE  ALT=\"3L-5w=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "New system to have the same solution can be  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28L-w=4%2C3L-5w=0%29 ALIGN=MIDDLE  ALT=\"system%28L-w=4%2C3L-5w=0%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "From that ,  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%283L-3w=12%2C3L-5w=0%29 ALIGN=MIDDLE  ALT=\"system%283L-3w=12%2C3L-5w=0%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3L-3w-3L-%28-5w%29=12-0 ALIGN=MIDDLE  ALT=\"3L-3w-3L-%28-5w%29=12-0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2w=12 ALIGN=MIDDLE  ALT=\"2w=12\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28w=6%29 ALIGN=MIDDLE  ALT=\"highlight%28w=6%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L=%285%2F3%29w=%285%2F3%29%2A6=highlight%2810=L%29 ALIGN=MIDDLE  ALT=\"L=%285%2F3%29w=%285%2F3%29%2A6=highlight%2810=L%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "Full use of the substitution method would have also been good.  I arranged the two system equation to start with elimination method. </SPAN>\n" );
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