Answer:
15v - 35
Explanation:
start by distributing 5 to 3v.
5(3v - 7) aka 5 · 3v ⇒ 15v
distribute 5 to -7.
5(3v - 7) aka 5 · -7 ⇒ -35
you are left with 15v and -35, therefore your simplified expression is 15v - 35.
i hope this helps! have a lovely day <3