Предмет: Математика, автор: goofy1337

log5 25^(2x+7)=8 помогите по-братски

Ответы

Автор ответа: Аноним

0

2(2x+7)log5 5=8
2x+7=4
2x=-3
x=-1.5

Автор ответа: vokzla913

0

ответ: -1,5

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