Question 309224
Log4X-Log4(X-4)=1 
the first two 4's are the bases.
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{{{log(4,x) - log(4,(x-4)) = 1}}}
{{{log(4,x/(x-4)) = 1}}}
x/(x-4) = 4
x = 4(x-4)
x = 4x-16
3x = 16
x = 16/3