Предмет: Математика, автор: monkosasa9

5,6-x=12,9 помогите
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Ответы

Автор ответа: 666hello
2

5.6 - x = 12.9 \\ \\ \\ x = 5.6 - 12.9 \\ \\ \\ x = - 7.3

ОТВЕТ: x = - 7,3.

Автор ответа: mrbobik8
3

5,6-x=12,9

-x=12,9-5,6

-x=7,3

x=-7,3

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