Amanda checked out 7 fiction books from the library. She also checked out three times as many non-fiction books. The next day, Amanda returned 5 books to the library. How many books does she have now. Write an expression to explain your answer?

Answer 1

7 + 3(7) - 5 = x

7 + 21 - 5 = x

? = x

Answer 2

7+7(3)=28
28-5=23