Предмет: Математика, автор: dema77kostanoe

2,5х-17,4=28,4 помогите ​

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Автор ответа: 222111111
0

2,5х-17,4=28,4

2,5х=28,4+17,4

2,5х=45,8

х=45,8:2,5

х=18,32

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