Question

Why can a subtraction problem be rewritten as an addition problem without changing the outcome?
Give a real-world scenario where this might be modeled

Answer 1

One way you could do this is by making an integer negative...right?

Answer 2

it has something to do with vector spaces ....

Answer 3

A number defines a magnitude, wheres a vector defines a magnitude in a direction

Answer 4

Well I'm out, I've no clue what a vector is so Ill leave it to the pros:)