Question

Question 3 (c)

Fill in the blanks:

12 + (–12) = ___

Answer 1

We know that when we add a number to its additive inverse the sum is zero.

Here, 12 is added to (-12). The additive inverse of 12 is (-12). Hence the sum of the two numbers is zero.

$12+(–12)=12-12=\underset{–}{0}$