Предмет: Математика, автор: kivisow

7⋅(9+x)−5x=3x−65.решите уравнение

Ответы

Автор ответа: fruty2018

1

Ответ:

7(9+x)−5x=3x−65;

63+7x-5x=3x-65;

7x-5x-3x=-65-63;

-x=-128;

x=128;

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