Предмет: Математика, автор: iilaay

Надо решить уравнение

Приложения:

Ответы

Автор ответа: iwthu

0

Ответ:

$x = 9$

Пошаговое объяснение:

$1.2(x - 3) + 0.4(1 - x) = 4$

$1.2x - 3.6 + 0.4 - 0.4x = 4$

$1.2x - 0.4x = 4 + 3.6 - 0.4$

$0.8x = 7.2$

$x = 9$

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