correct the fragments by combining the fragment introduced by a subordinate conjunction with the sentence before or after it to form a complex sentence.

Question

He had breakfast. Before he left for school. It was six o'clock.
my answer:
It was six o'clock. He had breakfast before he left for school.
or
Before he left for school, he had breakfast. It was six o'clock.
PLEASE HELP ME

Answer 1

Check your finances before you go shopping.
OR
Before you go shopping, check your finances.
?

Answer 2

Before he left for school at six o'clock, he had breakfast. <~~ Or did he have breakfast at six o'clock? It's your choice!

It doesn't matter whether the subordinate clause is before or after the main clause.