Question

If (–5, –5) is the solution of the system of equations
3x + 4y + 2p – q = 0 and 4x + 3y + q – 3r = 0,
then r is always equal to
(1)
1( )
3 q p  (2)
2 ( )
3 q p 
(3)
1(3 2 )
2 q p  (4) 3 (2 )

Answer 1

although.. options are not clear to me... but procedure will b same