1.

R&p‘m#v—.:flxmu A=x pluk = 4D =X Wb "0f

Answer»

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

x + y = 4 ......(2)

(1) + (2)

2x = 6

x = 3

To , y = 4 - 3 = 1

x = a = 3

y = b = 1



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