Предмет: Алгебра, автор: dumyntsjura

позвонить рыночная 5[у]+4=19 поможыть будь ласка

Ответы

Автор ответа: nastasepel987

1

Ответ:

Я не уверена, но скорее всего так

5у+4=19

5у=19-4

5у=15

у=15/5

у=3

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