Data Sufficiency (DS) | Re: If y is positive, what is the value of x ?

Stmt 1 x-y=-(x+|y|)
Given y is positive , so x-y= -(x+y)
so x-y= -x-y
which implies x=0; Definite Answer so Sufficient.

Stmnt gives x=y-3. Since we only know y is +ve and no definite value of y, Insufficient.

Hence Ans:A

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