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Ответ

Ответ дан
zinaidazina

Ответ:

x∈(4;  +∞)

Пошаговое объяснение:

7^{2x-10}>frac{1}{49}\\7^{2x-10}>frac{1}{7^{2}}\\7^{2x-10}>7^{-2}\\2x-10>-2\\2x>10-2\\2x>8\\2x:2>8:2\\x>4

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