Question

x minus y equal to k

Answer 1

x=1 , y=1 then ....
1-1=0

Answer 2

$hey \: mate \: here \: is \: your \: answer...$

$x - y = k$
$\: \: on \: putting \: x =1 and \: y = 1$
$1 - 1 = k$
$0 = k$


$hence \: the \: value \: of \: k \: is \: 0$




$hope \: it \: hepls....$