Write each phrase as an algebraic expression. four times a number

a number divided by 14

Explanation:
"the quotient" means to divide.
"the quotient of 14" means 14 is going to be divided by something. So we can write:
14
÷
The something it will be divided by is "the difference between a number and -7".
Lets call "a number"
n
.
"the difference" means we are going to subtract something from
n
and what we are going to subtract is a
−
7
. We can write this as:
n
−
(
−
7
)
Putting this together gives:
14
÷
(
n
−
(
−
7
)
)
Or
14
n
−
(
−
7
)