Jawapan

Jawapan Paling Bijak!
2014-09-14T21:56:16+08:00
 4^{x-1} = 64  \\  \\ 4^{x-1} = 4 ^3 \\  \\  x -1 = 3 \\  \\ x = 3 + 1  \\  \\  x = 4




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thanks bro, u the man