Question

Which is an example of the opposite of a sum property?
A.
–17 + 32 = 32 + (–17)

B.
–26 + (4 + 8) = (–26 + 4) + 8

C.
–5(6 + 3) = –5(6) + –5(3)

D.
–(–17 + 5) = 17 + (–5)

Answer 1

Hi, any ideas?

Answer 2

no thats why i asked

Answer 3

We should start, as math does, withe definitions of "opposite" and "sum" so that we can put them together and try to find the "opposite of a sum," what do you think about that approach?

Answer 4

Did you get it?

Answer 5

The opposite of a sum of real numbers is equal to
the sum of the opposites of the numbers.

$$\huge -(a+b)=(-a)+(-b)$$