Question

[(124+150-x):6]:31-2=0

Answer 1

$[(124+150-x):6]:31=2$
$(124+150-x):6=32$
$274-x=372$
$x=274-372$
$x=-98$

Answer 2

[(124+150-x):6]:31-2=0

[(274-x):6]:31-2=0

 (274/6-x/6)/31-2=0

274-x-2×6×31=0

274-372=x

x=-98