Simplify: (4 – 5) – (13 – 18 + 2). (Am I right or wrong)

(a) -1,


(b) –2,


(c) 1,


(d) 2.

This is my work below!!!

(4 – 5) – (13 – 18 + 2).


= -1-(13+2-18).


= -1-(15-18).


= -1-(-3).


= -1+3.


= 2.