Предмет: Математика, автор: angelinagasiuk

1,6 - (7-5a) = - 8 + 1,6a, Помогите дам 20 балов!!

Ответы

Автор ответа: langolf1957

Ответ:

1,6-7-5а=-8+1,6а

-5,4-5а=-8+1,6а

5а-1,6а=-8-(-5,4)

3,4а=13,4

а=3,9

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