Hamid will be x years old 7 years from now.
How old was he 7 years ago?
(Your answer should include x.)
He is presently x - 7
so 7 years ago he was x - 14
(assuming he was born)
To find out Hamid's age 7 years ago, we need to use the information that he will be x years old 7 years from now.
Since we are currently looking 7 years into the past, we need to subtract 7 from the future age of x.
Therefore, Hamid's age 7 years ago can be calculated as x - 7.