Answer:
Associative property of addition
Step-by-step explanation:
Given : (4h+12) + 9c=9c+ (4h+12)
To find : name the property?.
Solution : We have given
(4h+12) + 9c=9c+ (4h+12)
Associative property of addition : A +(B + C) = (A+B) +C.
Example :
2 + (3+4) = (2+3) + 4.
Then we can say (4h+12) + 9c=9c+ (4h+12) is associative property of addition.
Therefore, Associative property of addition
