Question

-(2)+{(-3)+[(+8)-(+5)]}

Answer 1

-(2)+ { (-3) + [ (+8)  -  (+5) ] } =
-2 + { - 3 + [ 8 - 5 ] } =
-2 + { - 3 + 3 } =
- 2  + 0 = -2 

Answer 2

-(2)+{(-3)+[(+8)-(+5)]}=
-2+{-3+[8-5]}=
-2+{-3+3}=
-2+0=-2