Предмет: Математика, автор: ahundova57

решите пожалуйста такое уравнение(50-у)-30=47

Ответы

Автор ответа: простородитель

(50-у)-30=47
50-у-30=47
20-у=47
-у=47-20
У=-27

Автор ответа: Asox

50-y=47+30
50-y=77
y=50-77
y=-27

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