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3 pangkat 6x-9 = 3 pangkat -1
6x-9 = -1
x = 8/6 =4/3
2. 9 pangkat 1/4(x+1) = 9 pangkat 2
1/4x+1/4 = 2
1/4x = 7/4
x = 7
3. 2 pangkat 2(x+3) = ⁴√2 pangkat 3(x+5)
2x+6 = (3x+15)1/4
2x+6 = 3x/4 + 15/4
5x/4 = -9/4
x = -9/5