Answer:
Associative property
Step-by-step explanation:
The Associative property states that if a,b and c are 3 terms then,
a+(b+c) = (a+b)+c
Here, we are given:
16+(22+a)=(16+22)+a
Here, a=16 ,b=22 and c=a
Hence, the property which is demonstrated by the statement 16+(22+a)=(16+22)+a is:
Associative property