Question

The difference of x and a number is 6. What is the other number?

Answer 1

Are you looking for what the equation would be? If you are it would be X-6.
However if you're looking for X then you need to provide more information because, X could be anything if using the information you provided.

Answer 2

One number = x

other number is y + 6.

Explanation:

Given : The difference of x and a number is 6.

To find : What is the other number.

Solution : We have given difference of x and a number is 6.

Let the number = y .

According to question :

difference of x and a number is 6.

x - y = 6.

On adding both y

x = 6 + y

So, One number = x

other number is y + 6.

Therefore, One number = x

other number is y + 6.