If 2x + 3y = 1 and x – 2y = 11, find (x + y)

A.
5 
B.
3 
C.
8 
D.
2 
E.
2
Correct Answer: Option D
Explanation
2x + 3y = 1 x 2…….(i)
x – 2y = 11 x 3…….(ii)
4x + 6y = 2……..(iii)
3x – 6Y = 33……..(4)
7x = 35
x = 5
Subt. for x
10 + 3y = 1
3y = 9
y = 3
x + y = 5 + 3
5 – 3 = 2