Предмет: Алгебра, автор: hakvars99978

7х-4=3х-9 помогите пж

Ответы

Автор ответа: MiraEpic

Ответ:

7х-3х=-9+4

4х=-5

х=-5/4

х=(-1,75)

Автор ответа: pelehaolga

Ответ:

7х - 4= 3х-9

7х - 4 - 3х = -9

7х - 3х = -9 + 4

4x = -5

x = -5\4

Объяснение:

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