The Associative Property of Addition states that the way in which numbers are grouped in addition does not change their sum. In other words, for any numbers \(a\), \(b\), and \(c\):
\[ (a + b) + c = a + (b + c) \]
In the expression \((7 + 8) + 6\), we can apply the Associative Property to regroup the numbers:
\[ (7 + 8) + 6 = 7 + (8 + 6) \]
So the equivalent expression using the Associative Property of Addition is:
\[ 7 + (8 + 6) \]