document.write( "Question 1122480: The length of a rectangular enclosure is twice its width. The perimeter of the enclosure is 180 meters. Write down two simultaneous equations and use Cramer's rule to determine the length and the width of the enclosure
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Algebra.Com's Answer #738663 by josgarithmetic(39625)\"\" \"About 
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x, width
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\n" ); document.write( "\"2x%2B2%2A2x=180\"
\n" ); document.write( "Cramer's Rule when only one equation in one variable is needed?\r
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\n" ); document.write( "\n" ); document.write( "\"x=30\"----width
\n" ); document.write( "\"60\"-----length
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