Question

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Answer 1

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Answer 2

Answer:

$7^{x - 5} = 343^2 \\7^x - 5 = (7^3)^2 \\7^x - 5 = 7^6 \\\\x - 5 = 6 \\x = 11\\\\x^{2} \\= 11^2 \\= 121$

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