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2x = 4
X = 2
2. 2^x²-3x+2 = 2^0
x²-3x +2 = 0
(x-1)(x-2) = 0
Jadi x = 1 atau x = 2
3. 3^3x-1 = 3³
3x-1 = 3
3x = 4
x = 4/3