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How do you solve $log 28 - log 7 = log y$ $Log 28 - Log 7 = Log y$ ?

1 Answer

Jul 27, 2016

$y = 4$ $y=4$

Explanation:

This was actually answered but as a comment by Helen D 4 months ago.

The critical point is that for the general case:
$XXX log (a) - log (b) = log (\frac{a}{b})$ $color(white)("XXX")log(a)-log(b)=log(a/b)$

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