1. identify the property used to find the equivalent expression.
[4+ (-2)] + 1 = 4+ [(-2) + 1]
(9.3) 6 = 6.9.3)
(a
x
3)
x
b
= b
x
(a
x
3)
x + (y + 2) = (x + y) + z
2 x (p x q) = (q x p) x 2
(8 + 17) + 18 = 18 + (17 + 8)