Question

From the predecessor of of -11 add the successor of -27

Answer 1

predecessor of of -11= -12
successor of -27= -26
hence,
-12+(-26)= -12-26=-38

Answer 2

Predecessor of -11 = -12
Successor of -27=-26

Therefore, A/Q,

=(-12)+(-26)
= - 38

Hope this is right ...
Have a nice day