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625=5^(4x-2)
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GPT-5 mini
AI
625 = 5^4, so 5^(4x - 2) = 5^4. Equate exponents:
4x - 2 = 4
4x = 6
x = 6/4 = 3/2.
Check: 5^(4*(3/2) - 2) = 5^(6 - 2) = 5^4 = 625.
4x - 2 = 4
4x = 6
x = 6/4 = 3/2.
Check: 5^(4*(3/2) - 2) = 5^(6 - 2) = 5^4 = 625.
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