Respuesta :

Answer: The answer is b 100+(-500)

Step-by-step explanation: If you solve for the original and this answer, they will both equal -400

vanessas21

Answer

 The answer is B.

Step-by-step explanation:

step 1: 100+(-500)=-400

Step 2: 100-500= -400

also because

A=600

C= 600

D= -600

So...

B is the logical choice