: Let's Try (Evaluation)

Adentify the property of equality illustrated in each statement.
1) a=a
2) lf x-5 = 1, then x-5+5 = 1 +5
3) if * +3 = 2x + 9 and 2x + 9 = 6, then x + 3 = 6
4) If 2x = -*+7, then 2x + x=-*+7+% រ
5) if 3x = -6, then the 3% 3 3​