Предмет: Математика, автор: yangogo18

14x+2x-x+14=299
Плииз юысьре9

Ответы

Автор ответа: aidasultangazieva1

5

Ответ:

х=19

Пошаговое объяснение:

14х+х=299-14

15х=285

х=19

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