2x - 1 = 2x - 1, Reflexive Property of Equality  , If 3x = - 2, then -2 = 3x, Symmetric Property of Equality , If x + y = 3 and x = 2, then 2 + y = 3, Substitution Property of Equality, If x + 5 = y - 2, and y - 2 = 6 then x + 5 = 6, Transitive Property of Equality , If 2r = 18, then 18 = 2r, Symmetric Property of Equality (1).

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