# How do you translate "3 times the difference of a number and one" into a mathematical expression?

##### 2 Answers

Dec 11, 2015

#### Answer:

#### Explanation:

Since the expression is a DIFFERENCE, subtraction will be involved.

As an example, the difference of

Therefore, the difference of a number and one can be represented by the expression

If we want to find

Note that this is also equal to

Dec 11, 2015

Depending on the context you could also have: