1/2 log (x-1) -1/2 log (4x+8)=3
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1/2 log (x-1) -1/2 log (4x+8)=3
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1. Jawaban zachary8al8faruq
1/2 log (x-1) -1/2 log (4x+8)=3
1/2 log (x-1)/(4x+8)=3
(1/2) ^ 3 = (x-1)/(4x+8)
1/8 = (x-1)/(4x+8)
4x+8 = 8 (x-1)
4x+8 =8x-8
4x + 16 =8x
16 = 2x
x = 8