AmadoM775063id AmadoM775063id Mathematics Answered 20. Which property is not used to solve the equation? Given: 4(1-3) = 81 Step 1: + 4y - 12 = 81: Step 2: 12 = 12v Step 3: Step 4: 1=-1 -1=1 A. Reflexive Property B. Distributive Property Addition Property of Equality D. Symmetric Property