Chapter 8: Q 167. (page 941)

Donald thinks that $\frac{3}{x} + \frac{4}{x} is \frac{7}{2 x}$ . Is Donald correct? Explain.

Short Answer

Expert verified

Donald is not correct.

Step by step solution

Step 1. Given information.

Consider the given information.

$\frac{3}{x} + \frac{4}{x} and \frac{7}{2 x}$

Step 2. Calculation.

As the expression have the same denomnator, so add them.

$\begin{array}{l} \frac{3}{x} + \frac{4}{x} = \frac{3 + 4}{x} \\ = \frac{7}{x} \end{array}$

As the obtained result is not equal to the given result. Thus, Donald did perform the addition incorrect way. he added denominator not numerator.

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.

Donald thinks that $\frac{3}{x} + \frac{4}{x} is \frac{7}{2 x}$ . Is Donald correct? Explain.

Short Answer

Step by step solution

Step 1. Given information.

Step 2. Calculation.

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Theoretical and Mathematical Physics

Mechanics Maths

Statistics

Geometry

Calculus

Probability and Statistics

Study anywhere. Anytime. Across all devices.

Donald thinks that 3x+4xis72x. Is Donald correct? Explain.

Short Answer

Step by step solution

Step 1. Given information.

Step 2. Calculation.

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Theoretical and Mathematical Physics

Mechanics Maths

Statistics

Geometry

Calculus

Probability and Statistics

Study anywhere. Anytime. Across all devices.

Donald thinks that $\frac{3}{x} + \frac{4}{x} is \frac{7}{2 x}$ . Is Donald correct? Explain.