दि +) नव; 235 2. कि – InterviewSolution

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1.

दि +) नव; 235 2. कि

Answer»

x + y = 4 .....(1)

2x - 5y = 1 ......(2)

eq(1) × 5 + eq(2)

5x + 5y = 20

2x - 5y = 1

solving we get 7x = 21 So, x = 3

Therefore y = 4 - x = 4 - 3 = 1

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