Question

Type the integer that makes the following subtraction sentence true:

8 − ?= –1

Answer 1

9 because if you subtract 8 from 9 you will have a negative 1

Answer 2

9

Explanation:

Since the value is negative, that means that missing integer has to be 1 greater than 8 to make -1. 1 more than 8 is 9. Hope this helps! If you are still confused, please comment!