Автор - asya7007

Помогите плиз
|4х+7|=-9
|5х+6|=24
|5х+8|=1
|12х+4|-81=16

Ответ

Автор - 03angela
4x+7=-9. 4x+7=9
4x=-16. 4x=2
x=-4. x=1/2

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