Answer :

subediprashant
4x + y = 2
x - y = 3       ⇒       x = 3 + y

4 (3+ y) + y = 2
12  + 4y + y = 2
12 + 5y = 2
5y = 2- 12
5y = -10
y = -10/ 5
y = -2

x = 3 + y   ⇒ 3 + (-2)      ⇒   3 - 2  = 1

(1, -2)

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