document.write( "Question 485242: The length of a rectangle is 3n+2 and its width is n-1. The perimeter of the rectangle is twice the sum of its length and its width. Write an expression that represents the perimeter. \n" ); document.write( "
Algebra.Com's Answer #331897 by mananth(16946)\"\" \"About 
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Perimeter = 2(L+W)\r
\n" ); document.write( "\n" ); document.write( "Perimeter = 2(3n+2 + n-1)
\n" ); document.write( "Perimeter = 2(4n+1)
\n" ); document.write( "Perimeter = 2(4n+1) ===> 8n+2
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