Question

The difference between seven times a number and eight more than four times the number

Answer 1

Seven times a number = 7x
Eight more than four times the number = 8 + 4x
.
Suppose x = 5 ,
7x = 7×5 = 35 and
8 + 4x = 8 + 4×5 = 8 + 20 = 28

Answer 2

A difference is the result of a subtraction.

Call the number n.

"seven times a number": 7n

"eight more than four times the number": 4n + 8

"The difference between seven times a number and eight more than four times the number": 7n - (4n + 8)

Answer: 7n - (4n + 8)