Question

Im really confused with this one.

Answer 1

The answers are the second, fifth, and sixth.

Answer 2

The expression 2x means 2 times x.
It also means x plus x.

These are appropriate descriptions:

2: The expression represents 5 plus 2 times x.
3: The expression represents 5 plus x plus x.
5: The expression represents the sum of 5 and 2x.