Предмет: Математика, автор: katja140708

(x – 389):4=468 - 399

Ответы

Автор ответа: dukefissura

Ответ:

x = 665

Пошаговое объяснение:
$\displaystyle (x-389):4=468-399\\\\ \frac{x-389}{4}=69\\ \\ x-389=276\\ \\ x=276+389\\ x=665$

Автор ответа: downshiftermad41

Ответ:

x=665

Пошаговое объяснение:

(x-389)/4=468-399

x-389= 69*4

x-389= 276

x= 276+389

x= 665

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