document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=628729>Question 628729</A>: <I><SPAN STYLE=\"word-break: break-all;\"> My question is how do you write a system of linear equations for this rectangle? If the perimeter of this rectangle is 42feet. The length is 7ft longer than the width. I am suppose to find the deminsions, and write a system of equations and solve. Let x be length and y be the length. 2x+2y= and the second equation x=y+<BR>\n" );
document.write( "Then I need the length and what the width of the rectangle is. \r<BR>\n" );
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document.write( "I would assume that I would add 42 twice, but from there I am not sure.  </SPAN>\n" );
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document.write( "Let us define x as the length of the rectangle and y as the width of the rectangle.\r<BR>\n" );
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document.write( "now,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2x+%2B+2y+=+42 ALIGN=MIDDLE  ALT=\"+2x+%2B+2y+=+42\"   DISABLED_style= \"max-width:90%; height:auto;\" > ----because this is the perimeter of the rectangle\r<BR>\n" );
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document.write( "and x = y + 7 since length is 7feet longer than the width.\r<BR>\n" );
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document.write( "Let us substitute x in the above eq which gives us,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2%28y%2B7%29+%2B+2y+=+42 ALIGN=MIDDLE  ALT=\"+2%28y%2B7%29+%2B+2y+=+42\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "which on solving gives us,\r<BR>\n" );
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document.write( "2y+ 14 + 2y = 42 => y = 7 which is the width<BR>\n" );
document.write( "and x = 14 which is the length </SPAN>\n" );
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