Consider the steps to simplify the expression. What property of operations is used in Step 4?
Expression: -43 +7-34
Step 1:=-4}+7+39
Step 2:=-4}+(-3%) +7
Step 3: =-4+6) + (-3) + (-) +7
Step 4:=-4+63 +67)+(-3) +7
Step 5: =-4+ (-1) + (-3) + 7
Step 6:= -8 +7
Step 7: = -1
Apply the associate property of addition,
Apply the commutative property of addition,
The opposite of a sum is the sum of its opposites
Subtracting a number is the same as adding the inverse.