document.write( "Question 1079538: The length of a rectangular piece of sheet metal must be 4
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Algebra.Com's Answer #693804 by josgarithmetic(39618)\"\" \"About 
You can put this solution on YOUR website!
\"system%28x=y%2B4%2Cxy=45%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"%28y%2B4%29y-45=0\"
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\n" ); document.write( "\n" ); document.write( "\"highlight%28y=5%29\", width
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