((4+x)/3 - 4/3) / x =
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((4+x)/3 - 4/3) / x =

[From: ] [author: ] [Date: 11-09-08] [Hit: ]
......
sepate (4+x)/3 to 4/3 + x/3


[4/3 + x/3 -4/3]/x

(x/3)/x


multiply by the reciprocal'


(x/3)*1/x


the "x" cancels out.

answer is 1/3.
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