Respuesta :
The first sentence ⇒ "I love to play video games, but they are hard." is correct.
There are two independent clauses: I love to play video games + they are hard.
These independent clauses are joined together with a comma but, which is the correct way to join independent clauses together in a sentence.
There are two independent clauses: I love to play video games + they are hard.
These independent clauses are joined together with a comma but, which is the correct way to join independent clauses together in a sentence.