Identify the property that justifies each step asked about in the answer area below.
Line 1: , n, left bracket, m, plus, 2, right bracket
Line 1: =
n(m+2)
Line 2: , n, m, plus, n, dot, 2
Line 2: =
nm+n⋅2
Line 3: , m, n, plus, 2, n
Line 3: =
mn+2n
Line 1: Distributive Property
Line 2: Commutative Property
Line 3: Commutative Property