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Автор - dyanizvalimamed

решите уравнение 1) log3 (2x-1)=2

Ответ

Проверено экспертом

Автор - elenakuzmina11
3 больше 0, 3≠1, значит
 2x-1=3²
2x-1=9
2x=10
x=5

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