Jawabanmu

2014-09-08T19:03:56+07:00
 (\frac{1}{16})^{({x-2})} = 64^{3}  =>>   2^{-4(x-2)} = 2^{6. 3}


-4(x-2)=18---- -4x +8=18 ... 4x= - 10 ...x=2.5