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Chapter 2: Q41. (page 80)

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 x鈭�3.

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 .+,鈥�鈭�,鈥�脳,鈥�梅

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=x鈭�3

Thus, the variable expression for the given phrase isx鈭�3.

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Most popular questions from this chapter

Evaluate the expression. Justify each of your steps.

3.(26鈥�+18鈥�)鈥夆赌�+34鈥夆赌�

Use the distributive property to evaluate the expression.

5鈥�鈥�(9-3)

Use the distributive property to evaluate the expression.

(7-t)(-4)

Use the distributive property to write an equivalent variable expression.

3鈥�(鈥�鈥�y鈥�鈥�+鈥�鈥�9鈥�鈥�)

Perform the indicated operation. (pp. 750鈥�752)

8.23鈥�鈥�-鈥�鈥�4.97
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