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) b = b (a * 3)
x + y + z) = (x + y) + z
2 x (p x q) = (q xp) x 2
(8 + 17) + 18 = 18+ (17 + 8)