Предмет: Математика, автор: Indiratomasi001

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Автор ответа: 1grom9

3 * х + 50 = 77

3х = 77 - 50

3х = 27

х = 27 : 3

х = 9

__________________

100 - 24 : с = 92

24 : с = 100 - 92

24 : с = 8

с = 24 : 8

с = 3

__________________

3 * х = 92 - 68

3х = 24

х = 24 : 3

х = 8

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