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Chapter 1: Q33. (page 7)

Write a variable expression to represent the phrase.

The difference of a number and 1

Short Answer

Expert verified

The variable expression that represents the given phrase is x-1.

Step by step solution

01

Step-1 – Apply the concept of Variable

In any expression or equation, the variable is an unknown quantity. It may be any alphabet or any special symbol.

02

Step-2 – Example for the variable

In the expression 2x+3, the unknown quantity is x. So, the variable in this expression is x. 2 and 3 are constants values.

03

Step-3 – Identify the variable

Let the unknown number be x.

In order to write the variable expression for the given phrase, subtract 1 from the unknown number x.

So, the variable expression to represent the phrase is x-1.

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