Find the mistake made in the steps to solve the equation below.61 - 1 = -21 + 981 - 1 = 980 = 101. Addition property of equality2. Addition property of equality3. Division property of equalitytoICHA4. SimplificationOA. The justification for step 2 is incorrect and should be the subtraction property of equality.OB. Step 3 is incorrect and should be r = 100OC. Step 2 is incorrect and should be r = 8.OD. The justification for step 3 is incorrect and should be the multiplication property of equality,