Question

697 :[ ( 15 .x+ 64) :x]=17

Answer 1

697 : [ ( 15.x + 64 ) : x ] = 17

=> ( 15.x + 64 ) : x = 697 : 17

=> 15.x:x + 64:x = 41

=> 15 + 64:x = 41

=> 64 : x = 41-15

=> 64 : x = 26

=> x = 64 : 26

Vậy x=32/13.

Answer 2

697 : [ ( 15.x + 64 ) : x ] = 17

=> ( 15.x + 64 ) : x = 697 : 17

=> 15.x:x + 64:x = 41

=> 15 + 64:x = 41

=> 64 : x = 41-15

=> 64 : x = 26

=> x = 64 : 26

x = 32/13

tích nha

Answer 3

697 : [ ( 15 . x + 64 ) : x ] = 17

=> ( 15 . x + 64 ) : x = 697 : 17

=> 15 . x : x + 64 : x = 41

=> 15 + 64 : x = 41

=> 64 : x = 41 - 15

=> 64 : x = 26

=> x = 64 : 26

=> x = 32 / 13

Vậy x = 32 / 13

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