Предмет: Математика, автор: МАРТИНА111111111

9(5х+8)=207 решите пожайлуста

Ответы

Автор ответа: Золбоо

3

9(5х+8)=207
45x+72=207
45x=207-72
45x=135
x=3

Автор ответа: vmaluga2011

3

9(5х+8)=207
45х+72=207
45х=207-72
45х=135
х=135:45
х=3

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