Answer:

Spencer's team attempted 8 goals .
Explanation:
Given : Frank's hockey team attempted 15 more goals than Spencer's team.
Frank's team attempted 23 goals.
To Find: Write and solve an equation that can be used to find how many goals Spencer's team attempted?
Solution :
Let Spencer's team attempted x goals .
Since we are given that Frank's hockey team attempted 15 more goals than Spencer's team.
⇒Frank's hockey team attempted goals = x+15
Now, we are also given that Frank's team attempted 23 goals.
⇒

⇒

⇒

Thus the Spencer's team attempted 8 goals .
Hence the equation n that can be used to find how many goals Spencer's team attempted is
and Spencer's team attempted 8 goals .