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The graphs of the equations 3x+y-5=0 and...

The graphs of the equations 3x+y-5=0 and 2x-y-5=0 intersect at the point `P (alpha, beta)`. What is the value of `(3 alpha+ beta)` ?
समीकरण 3x+y-5=0 तथा 2x-y-5=0 के आरेख एक बिंदु `P (alpha, beta)` पर एक-दूसरे को काटते है `(3 alpha+ beta)` का मान क्या है ?

A

3

B

4

C

5

D

`-4`

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