Chapter 1: Q2. (page 7)

Compare and contrast the expressions $2 + x and 2 + 3$ .

Short Answer

Expert verified

The value of the unknown variable x is3.

Step by step solution

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.

Step 2. Example for the variable.

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

Step 3. Identify the variable.

In the given expressions $2 + x and 2 + 3$ , observe that both the expression has 2 as a first term followed by a plus sign. While in the first expression the second term is x and in the second expression the second term is 3.

So, on comparing the expressions, it is clear that the value of x is equal to 3.

Unlock Step-by-Step Solutions & Ace Your Exams!

Full Textbook Solutions
Get detailed explanations and key concepts
Unlimited Al creation
Al flashcards, explanations, exams and more...
Ads-free access
To over 500 millions flashcards
Money-back guarantee
We refund you if you fail your exam.

Start your free trial

Over 30 million students worldwide already upgrade their learning with Vaia!

Recommended explanations on Math Textbooks

View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Compare and contrast the expressions $2 + x and 2 + 3$ .

Short Answer

Step by step solution

Step 1. Apply the concept of Variable.

Step 2. Example for the variable.

Step 3. Identify the variable.

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Theoretical and Mathematical Physics

Logic and Functions

Mechanics Maths

Applied Mathematics

Statistics

Discrete Mathematics

Study anywhere. Anytime. Across all devices.

Compare and contrast the expressions 2+xand2+3.

Short Answer

Step by step solution

Step 1. Apply the concept of Variable.

Step 2. Example for the variable.

Step 3. Identify the variable.

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Theoretical and Mathematical Physics

Logic and Functions

Mechanics Maths

Applied Mathematics

Statistics

Discrete Mathematics

Study anywhere. Anytime. Across all devices.

Compare and contrast the expressions $2 + x and 2 + 3$ .