Nilai x yg memenuhi persamaan 1/4(x-10)=2/3x-5 adalah......................
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1/4x - 10/4 = 2/3x - 5
1/4x - 2/3x = -5 + 10/4
(3x-8x)/12 = (-20+10)/4
-5x/12 = -10/4 kali silang
-20x = -120 coret 0
-2x = -12
x = 6