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