Yes for all integers and no for operations which include
subtraction and division.
It is widely used in many equations, either to group or to
simplify equations. Associative Property of basic operations is a property of
means to cluster or set some numbers into simpler equations. It is only applicable
for operations that include adding and multiplying. Take note of the arrangement
for these set of equations. For example, 1a + 3xy + 4xy = 1a + (3 + 4)xy.