If ( 3 x - 1)/( x) + ( 5 y - 1)/( y) + ...

If ` ( 3 x - 1)/( x) + ( 5 y - 1)/( y) + ( 7z - 1)/( z)=0` what is the value of `((1)/( x)+(1)/( y) + (1)/(z))` ?

A

-3

B

0

C

15

D

21

Verified by Experts

The correct Answer is:

C

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