Предмет: Математика, автор: lianaogannisan13467

сделайте 101 балов кто быстрее? ​

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Ответы

Автор ответа: InertFury
0

Ответ:

уравнение

Пошаговое объяснение:

6•x +6•7=6x+42=5x-15+18

6x+5x=18+(-15)-42

11x=-39

x=39:11

=

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