22 = z + (-9) Switch the sides
z = 22 - (-9) Solve
z = 31 So, z = 31
2nd one is the answer to it.
Answer:
The correct answer is OB.
Step-by-step explanation:
Let us recall the Associative Property of Addition: given three real numbers
,
and
the following equality holds:
.
Let us remark that the Associative Property of Addition tells us that we can perform the sums in any order. So,
.
In the other options there was used the Commutative Property of Addition.
Answer: i think it is 8.93
Step-by-step explanation: