Question

What is the expression for "the difference between four times a number and three times that number"?

Answer 1

4x - 3x

As this is can be simplified to x, the difference between four times a number and three times that number is just "that number"

Answer 2

4x - 3x

Explanation:

The answer can be simplified to 1x (or simply x), because the question is asking for "the difference", this means that it is a subtraction equation, "four times a number", meaning 4 times an unknown number, which can be denoted as x, and "three times a number", which can be denoted as 3x.

Hence, the answer to the question is 4x - 3x