Предмет: Алгебра, автор: heyli76

7(2+у)-3у=9-у
СРОЧНО!!!!

Ответы

Автор ответа: Ленгит

1

Ответ: -1

Объяснение:

7(2+у)-3у=9-у

14+7y-3y=9-y

14+4=9-y

14-9=у-4у

5=-5у

у=-1

Автор ответа: siz740

1

Объяснение:

7(2+y)-3y=9-y

14+7y-3y=9-y

14+4y=9-y

4y+y=9-14

5y=-5

y=-1

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