Предмет: Математика, автор: nursultanosmonaliev7

6*80+5x=620 ПОМОГИТЕ ПЖ!!!

Hellllllllllllll: Можно пожалуйста лутший ответ?

Ответы

Автор ответа: Hellllllllllllll

1

Відповідь:

6*80+5x=620

480+5х=620

5х=620-480

5х=140

х=140÷5

х=28

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