A certain movie made in ticket sales.

Its sequel made in ticket sales.

Find how much more did the first movie make than the sequel.

Let  represent the difference in the amount made by the first movie in millions.

Then the sales of the original movie minus the difference equal the sale from the sequel.

                       (Original equation)

    (Subtract  from each side)

                         (Apply additive inverse property: )

                    (Divide each side by )

.

Therefore, more was made on the first movie.

more was made on the first movie.