Which algebraic expression represents the phrase "six less than a number"?

6x - x

OX-6

0.6-X

X - 6x

x - 6

Step-by-step explanation:

The question is stating you are taking 6 away from a number. You can automatically rule out the 1st option and the 4th option. Between 2 and 3, the best choice would be the 2nd choice because it is clearly stating that it is taking away 6 from some unknown number. Hence, you get x - 6 as your answer.