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Solve the following pair of linear eq...

Solve the following pair of linear equations: (i) `p x+q y=p q ;"\ "q x p y=p+q` (ii) `a x+b y=c ;"\ "b x+a y=1+c` (iii) `x/a-y/b=0` ; `a x+b y=a^2+b^2` (iv) `(a-b)x+(a+b)y=a^2-2a b-b^2;` `(a+b)(x+y)=a^2+b^2` (v) `152 x 378 y= 74 ;"\ " 378

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