document.write( "Question 882457: Four-fifth of a number is 20 less than origional number. find the number? \n" ); document.write( "
Algebra.Com's Answer #532839 by ewatrrr(24785)\"\" \"About 
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\"%284%2F5%29n+=+n-20\"
\n" ); document.write( " 4n = 5n - 100
\n" ); document.write( " 100 = n
\n" ); document.write( "and...
\n" ); document.write( " 80 = 100-20
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