Jawabanmu

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2014-08-23T10:27:36+07:00
Log (x-3)/log 5 + log x-5/log 2= log 1000
(x-3)/5 + (x-5)/2 = 1000
2x+5x-6-25=10000
7x=10000+31
x= 10031/7

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