Subtracting - Reverse
Reverse the direction of the vector you want to subtract
Subtract vector `a` from vector `b`
Place the first vector `a` and add on the reverse of vector `b`
The result is a new vector `c`
It doesn't matter in which order you add vectors and reversed vectors. Therefore:
But try `-b+a` and see for yourself.
`a-b=c` and `-b+a=c`
Another way of showing `a-b=-b+a` is as follows:
You can add vectors and reversed vectors in any order.