Предмет: Математика, автор: kamilcheeek13

Х+1:3х=12 помогите пожалуйста

Ответы

Автор ответа: KrutayaAysu

0

Ответ:

$x + \frac{1}{3}x = 12 \\$

Умножаем обе части уравнения на 3

$3x + x = 36 \\ 4x = 36 \\ x = 9$

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