Предмет: Математика, автор: kaldiyarb

814
1 и 2, прошу помочь

Приложения:

Ответы

Автор ответа: ZebiniBaG

0

Ответ:

1)a=2

2)c=1/6

Пошаговое объяснение:

12a-1=-a+25 2-c=5c+1

12a+1a=25+1 -c-5c=1-2

13a=26 -6c=-1

a=2 c=1/6

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