X - 2y = -1 ... (1) 2x - y = 7 ... (ii)Multiplying (ii) by 2(ii) ...Su – InterviewSolution

1.

X - 2y = -1 ... (1) 2x - y = 7 ... (ii)Multiplying (ii) by 2(ii) ...Subtracting (iii) from (ii)y = ?Substituting y= in (ii)X = ?

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