Question

Answer the following questions. ​

Answer 1

Answer:

The additive inverse of a number a is the number that, when added to a, yields zero. This number is also known as the opposite, sign change, and negation.

so the answers are:-

a.-23 = +23

b.429 = -429

c.-687 = +687

d.-(-2134) = -2134.

I hope this would help you.