Frank’s hockey team attempted 15 more goals than Spencer's team. Frank’s team attempted 23 goals. Write and solve an equation that can be used to find how many goals Spencer's team attempted.
Gabriella and Max worked on their math project for a total of 6 hours. Max worked on the project for 2 hours by himself. Solve the equation x + 2 = 6 to find out how many hours Gabriella worked on the project.