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NastyaPetrovaChempik
@NastyaPetrovaChempik
July 2022
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помогите решить:
7 класс.
3(5x-7)=5(3x+4)
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Асик777Асик
Verified answer
3(5х-7)=5(3х+4)
15х-21=15х+20
-21=20
Но -21≠20, поэтому ответ: ∅.
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Answers & Comments
Verified answer
3(5х-7)=5(3х+4)15х-21=15х+20
-21=20
Но -21≠20, поэтому ответ: ∅.