Предмет: Алгебра, автор: kristinapethova49

В данном уравнении вырази переменную a через b:
2a+6b=20.

(Знак и число введи в первое окошко, а букву — во второе без пробелов.)

a=10

Ответы

Автор ответа: v16022007
8

Ответ:

Да

2a=20-6b

a=(20-6b):2

a=(20-6•0):2=10

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