Question

Which of the following expressions is equivalent to a + (-b)

A. (-b) + a
B. b + (-a)
C. (-a) + b
D. None of the above

PLEASE HELP!!!

Answer 1

Use photo math it will help

Answer 2

For this case we must find an expression equivalent to:

`a + (- b)`

It is observed that the negative sign is associated with the variable "b". So, we have to express:

`(-b) + a` is equivalent to the initial expression but of different order.

ANswer:

`(-b) + a`

Option A