Let's label Darnell's steps with the appropriate properties of equality as follows:
-
-4d + 4d – 8 = 2 + d + 4d
(Addition Property of Equality) -
-8 = 2 + 5d
(Combine Like Terms) -
-8 – 2 = 2 – 2 + 5d
(Subtraction Property of Equality) -
-10 = 5d
(Combine Like Terms) -
-10/5 = 5d/5
(Division Property of Equality) -
-2 = d
(Final Result)
This way, each step clearly indicates which property was applied to transform the equation.