Предмет: Математика, автор: elenabb76

Решить уравнение -6(9-5х)=9х+9

Ответы

Автор ответа: aiwanur2006

1

-6(9-5х)=9х+9

-54+30х=9х+9

30х-9х=9+54

21х=63

х=63÷21

х=3

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