If
and
, then find x and y.
A.
…eq(i)
…eq(ii)
Subtracting (ii) from (i)
⇒ 
⇒ 

⇒ 
⇒ 
⇒ 
⇒ 
⇒ 
⇒ 
⇒ 
⇒ 
Now, putting the value of
in eq(ii)
⇒ 
⇒ 
⇒ 
⇒
and 
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