please help me to solve the question I posted above by elimination method.......
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adding x +y=0 from 2x-y=1
we get 3x =1
i.e. x=1/3
subtituting value of x in x + y = 0
we get, y = -1/3
we get 3x =1
i.e. x=1/3
subtituting value of x in x + y = 0
we get, y = -1/3
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