Sure! Here are the sentences rewritten using equal comparisons with the suggested structure:

1. The film "Hobby" is as interesting as the books.
2. The black dress is not as expensive as the red one.
3. The black car is as heavy as the red car.
4. My mother and my aunt are of the same weight.
5. Life in foreign countries is not as different from life in my home country.
6. This museum is as interesting as the historical museum.
7. The bridge is as long as Thang Long Bridge.
8. Bill is not as tall as David.
9. Classical music is as interesting as folk music.
10. My hobby of drawing is the same as John's hobby of also drawing.
11. I thought the book would be as good as it turned out to be, but it wasn’t.
12. The orange is not as delicious as this apple one.
13. My house is not smaller than yours.
14. The black car is not as cheaper as the red car.
15. The black car is not as expensive as the red car.

Let me know if you need any more help!