3 per 4 X min 2 = 1 per 3 x + 1 per 2

3/4x - 2 = 1/3x + 1/2
<=> 3/4x - 1/3x = 1/2 + 2
<=> 9/12x - 4/12x = 6/12 + 24/12
<=> 5/12x = 30/12
<=> x = 5/12/30/12
<=> x = 5/12 . 12/30
<=> x = 1/6

note: ( . ) titik pd matematika dsb. kali (X)

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