document.write( "Question 358318: The perimeter of the rectangle below is 184 units. Find the length of side CD .
\n" ); document.write( "Side AD = 4z-1
\n" ); document.write( "Side AB = 5z+3\r
\n" ); document.write( "\n" ); document.write( "D-----------C
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\n" ); document.write( "A-----------B
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Algebra.Com's Answer #255706 by user_dude2008(1862)\"\" \"About 
You can put this solution on YOUR website!
2AD+2AB=P\r
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\n" ); document.write( "\n" ); document.write( "2(4z-1)+2(5z+3)=184\r
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\n" ); document.write( "\n" ); document.write( "8z-2+10z+6=184\r
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\n" ); document.write( "\n" ); document.write( "18z+4=184\r
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\n" ); document.write( "\n" ); document.write( "18z=184-4\r
\n" ); document.write( "\n" ); document.write( "18z=180\r
\n" ); document.write( "\n" ); document.write( "z=10\r
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\n" ); document.write( "\n" ); document.write( "CD=5z+3=5(10)+3=50+3=53
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