Answer:
option ( c ) is correct !!
Explanation:
Given equations :-
y = -6x + 9 ________ ( i )
y = -3x + 3 .....( ii )
Equating both i and ii
-6x + 9 = -3x + 3
-6x + 3x = 3-9
-3x = -6
x = -6/-3
x = 2
Also, y = -3x + 3
y = -3(2) + 3
y = -6 + 3
y = -3
So, ( x , y ) = ( 2 , -3 )