Предмет: Математика, автор: Bhfftf

Log6(7+x)=log6(17-x)

Ответы

Автор ответа: Lissay

Всё просто и по формуле. Видим, что основания у логарифмов одинаковые, следовательно, можем их опустить (убрать). Получим:

7+x=17-x
x+x=17-7
2x=10
x=5

Ответ: 5

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