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berarti 2x-3=9
log(2x)^3-log3^3=2
log8x^3-log27=2
log8x^3/27=log10^2
8x^3/27=10^2
8x^3=100.27
8x^3=2700
x^3=2700/8
x=akar pangkat tiga dari (2700/8)
Sampe situ hitung sendiri