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Автор - sasasasha02

Яке з рівнянь є лінійним? а) 7х-11=8 б)1/х +1=2.5. в) (х-1)(х+1)=0

Ответ

Автор - Amigo3

Ответ: а) 7х-11=8 ⇒7*х=8+11=19⇒х=19/7.

б) 1/х +1=2.5⇒1/х=2,5-1=1,5⇒х=1/1,5=2/3.

в) (х-1)(х+1)=0⇒х1-1=0⇒х1=1

                          х2+1=0⇒х2=-1.

Объяснение:

Ответ

Автор - 102132

вот и все!!!!!!!!!!!!!!

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