Предмет: Математика, автор: egorparus999

Срочно 15БАЛЛОВ!!!И ПОДРОБНО!!!

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Автор ответа: nazymzhamigazina

Пошаговое объяснение:

х- данное число

х+700-(10х+7)=351

х+700-10х-7-351=0

9х=342

х=342:9

х=38- задонное число

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