Question

the sucesserof -21 is__________
the predecessor of -13 is ________
13-(-7)_________

Answer 1

1. -20

2.-14

3.20

Hope it helps.

and please give your question in detail.

Answer 2

Answer:

Sucessor of -21 is -20

Predecessor of -13 is -14

13-(-7)

= 13+7 because when minus is together than we add .

=20