Question

-20-{-4-[-8+(+12-6-2) +2+4]}=??

Answer 1

$-20-[-4-[-8+(+12-6-2) +2+4]]$

$-20-[-4-[-8+4+2+4]]$

$-20-[-4-[-4+2+4]]$

$-20-[-4-[-2+4]]$

$-20-[-4-2]$

$-20-[-6]$

$-20+6$

$-14$