Предмет: Математика, автор: angelika1551583

Решите уравнение 2+2x=0

Ответы

Автор ответа: bena20193

Ответ:

Пошаговое объяснение:

2+2x=0

2х=-2

х=-2/2

x=-1

Автор ответа: Аноним

Ответ:

х=-1

Пошаговое объяснение:

2+2х=0

2х=-2 ( знак + меняется на -)

х=-2:2

х=-1

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