document.write( "Question 328745: C = 4r(n + p)\r
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Algebra.Com's Answer #235526 by nyc_function(2741)\"\" \"About 
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C = 4r(n + p)\r
\n" ); document.write( "\n" ); document.write( "C = 4rn + 4rp\r
\n" ); document.write( "\n" ); document.write( "C - 4rp = 4rn\r
\n" ); document.write( "\n" ); document.write( "(C - 4rp)/4r = n\r
\n" ); document.write( "\n" ); document.write( "Done!\r
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