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In P=(5x+2y)/(3x-4y), if x=5 and P=7, th...

In `P=(5x+2y)/(3x-4y)`, if x=5 and P=7, the y=?

A

3

B

`(3)/(8)`

C

`(8)/(3)`

D

`(1)/(3)`

Text Solution

Verified by Experts

The correct Answer is:
C

(i) Make y as the subject and evaluate it.
(ii) first make y as the subject and then substitute the given values.
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