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Write a variable expression to represent the phrase.

3 less than a number

Short Answer

Expert verified

The variable expression for the given phrase is x3.

Step by step solution

01

Step-1 – Concept of variable expression

A variable expression or algebraic expression consists of one or more terms including variables and numbers that are connected by algebraic operations .+,,×,÷

02

Step-2 – Consider the number

Let the unknown number be x.

So, we need to find the difference of the number x and 3.

03

Step-3 – Write Variable expression

The term less refers to subtraction. So, in order to find the difference of the number x and 3, subtract 3 from x as shown below,

3lessthananumber=3lessthanx=x3

Thus, the variable expression for the given phrase isx3.

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