Предмет: Математика, автор: anzelikakasymova840

13- х=14-4
18-х>19-10
Как решить

Ответы

Автор ответа: anuarbekamangeldi
1

Ответ:

13-х=14-4

13-х=10

-х=10-13

-х=-3

х=3

18-х>19-10

18-х>9

-х>9-18

-х>-9

х<9

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