Предмет: Математика, автор: наргиз59

как решить уровнения (у+50)×2=400-100

Ответы

Автор ответа: асемок3

2у+100=300
2у=200
у=100

Автор ответа: 44486

400+100=500
y+50=500:2
y+50=250
y=250-50
y=200

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