Автор - SALNASAL

найдите корень уравнения x-1/5-x=2/9​

Ответ

Автор - nastyasamoylov1

Ответ:

( x - 1 ) / ( 5 - x ) = 2/9  

x ≠ 5  

9( x - 1 ) = 2( 5 - x )  

9x - 9 = 10 - 2x  

11x = 19  

x = 19/11  

x = 1 8/11

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