Ответ:
log1/3(2x - 1) = -2; ОДЗ: 2х - 1 > 0; 2x > 1; x > 1/2; (1/3)^-2 = 2x - 1; 3^2 = 2x - 1; 9 = 2x - 1; 2x = 9 + 1; 2x = 10; x = 10/2; x = 5. Ответ: 5.
Объяснение:
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Ответ:
log1/3(2x - 1) = -2; ОДЗ: 2х - 1 > 0; 2x > 1; x > 1/2; (1/3)^-2 = 2x - 1; 3^2 = 2x - 1; 9 = 2x - 1; 2x = 9 + 1; 2x = 10; x = 10/2; x = 5. Ответ: 5.
Объяснение: