Answer :
7-8 = 7+- =-1
if you going to the left whit -8 and you to the right with 7 so the answer should be -1
The display on the number is done by starting from +7 and moving towards the negative by 8 units (-8)
Additive inverse of a value
A value is termed an additive inverse if it result to zero if added to another number.
Given the expression 7 - 8. This can be rewritten using additive inverse as shown
7 - 8 = 7 + (-8) [Since the product of - and + is equal to -]
The display on the number is done by starting from +7 and moving towards the negative by 8 units (-8)
Learn more on additive inverse here: https://brainly.com/question/3402614
#SPJ6