Question

12 + 2 + (-12) + (-2) =

Explanation:

Step1: Calculate inner - brackets

$2+(-12)=2 - 12=-10$

Step2: Substitute result into expression

$12+(-10)+(-2)$

Step3: Calculate left - to - right

$12+(-10)=12 - 10 = 2$

Step4: Calculate final result

$2+(-2)=2 - 2=0$

Answer:

$0$