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Problem #29 · August 25, 2026

Daraja va ildiz

5x53=57\dfrac{5^{x}}{5^{3}} = 5^{7} boʻlsa, xx ni toping.
  1. A44
  2. B2121
  3. C1010
  4. D77
  5. E3535

Solution

Boʻlishda koʻrsatkichlar ayriladi: 5x53=5x−3\dfrac{5^{x}}{5^{3}} = 5^{x-3}. Demak 5x−3=575^{x-3} = 5^{7}, bundan x−3=7x - 3 = 7, yaʼni x=10x = 10.
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