Предмет: Математика, автор: zhuldyzramazan060709

Помогитеее
3(х-5)=х+3

Ответы

Автор ответа: hoshgeldi98
1

Ответ:

3x-15=x+3

3x-x=3+15

2x=18

x=9

Пошаговое объяснение:

Автор ответа: maxum000
1

3(x-5)=x+3\\3x-15=x+3\\3x-x=3+15\\2x=18\\x=18:2\\x=9

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