If 2x + 3y = 1 and x - 2y = 11, find (x + y)
...If 2x + 3y = 1 and x - 2y = 11, find (x + y)
5
-3
8
2
-2
Correct answer is D
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
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