5^(2x - 2) * 5^(x - 1) = 5
5^(2x - 2 + x - 1) = 5^1
2x - 2 + x - 1 = 1
3x - 3 = 1
3x = 4
x = 4/3
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5^(2x - 2) * 5^(x - 1) = 5
5^(2x - 2 + x - 1) = 5^1
2x - 2 + x - 1 = 1
3x - 3 = 1
3x = 4
x = 4/3