Предмет: Алгебра, автор: bobilovglib

|1+2|x||=7 помогите пожалуйста

Ответы

Автор ответа: KaramelkaMasha

Ответ:

2 × | x | = 7 - 1

2 × | x | = 6

| x | = 3

x = 3

x = -3

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