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Автор - Reilla67

3x-1.3=4.3x+6.4
плиз помогите 40 баллов даю​

Ответ

Автор - SteronChik

Пошаговое объяснение:

3x-4,3x=6.4+1.3

-1.3x=7.7 (:-1.3

x=7,7/-1.3

x=-5,9

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