document.write( "Question 479663: change to an algebraic expression: one fifth of a number, subtracted from 21 \n" ); document.write( "
Algebra.Com's Answer #328615 by nerdybill(7384)\"\" \"About 
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change to an algebraic expression: one fifth of a number, subtracted from 21
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\n" ); document.write( "Let n = the number
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\n" ); document.write( "21 - (1/5)n
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\n" ); document.write( "21 - n/5\r
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