Автор - svetik235703

Найдите произведение корней уравнения |7-5х|=13

Ответ

Автор - Naz0330

Ответ:

7 - 5x = 13 \  - 5x = 13 - 7 \  - 5x = 6 \ x =  frac{ 6}{ - 5}  \ x =  -  frac{6}{5}  \ x =  - 1 frac{1}{5}  \  - 7 + 5x = 13 \ 5x = 13 + 7 \ 5x = 20 \ x =  frac{20}{5}  \ x = 4

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