Consider the steps to simplify the expression. What property of operation is used in Step 2?

Question

Expression: -4

+ 7 - 3


Step 1: = -4

+ 7 + (-3

)
Step 2: = -4

+ (-3

) + 7
Step 3: = -4 + (-

) + (-3) + (-

) + 7
Step 4: = -4 + (-

) + (-

) + (-3) + 7
Step 5: = -4 + (-1) + (-3) + 7
Step 6: = -8 + 7
Step 7: = -1
Responses
A Apply the associate property of addition.Apply the associate property of addition.
B Apply the commutative property of addition.Apply the commutative property of addition.
C The opposite of a sum is the sum of it's opposites.The opposite of a sum is the sum of it's opposites.
D Subtracting a number is the same as adding the inverse.

Answer 1

C The opposite of a sum is the sum of its opposites.