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vika1768
@vika1768
July 2022
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Найти корни уравнения:[tex] \frac{x+1}{x+7}=3[/tex]
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alenaerm
Приводим к общему знаменателю:
х+1=3(х+7)
х+1=3х+21
3х-х=1-21
2х=-20
х=-20:2
х=-10
Ответ: -10.
1 votes
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Answers & Comments
х+1=3(х+7)
х+1=3х+21
3х-х=1-21
2х=-20
х=-20:2
х=-10
Ответ: -10.