Chapter 1: Q13. (page 36)

Find the difference.
$1 - (- 8)$

Short Answer

Expert verified

The difference of the numbers is $9$ .

Step by step solution

Step-1 – Apply the concept subtraction

Two numbers with similar signs get added and the resulting number carries the similar sign.

Two numbers with opposite signs get subtracted and the resulting number carries the sign of the larger number.

Step-2 – Example for subtraction of numbers

The difference of the numbers $7 - 3 = 4$ is positive because the larger number is positive as well.

And the difference of the numbers $3 - 7 = - 4$ is negative because the larger number is negative as well.

Step-3 – Evaluate the difference

To evaluate the difference $1 - (- 8)$ , add the opposite of the second number.

To subtract $- 8$ , add its opposite $8$ to get

\begin{matrix} 1 - (- 8) = 1 + 8 \\ = 9 \end{matrix}

Thus, the difference of the numbers is $9$ .

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.

Find the difference.
$1 - (- 8)$

Short Answer

Step by step solution

Step-1 – Apply the concept subtraction

Step-2 – Example for subtraction of numbers

Step-3 – Evaluate the difference

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Theoretical and Mathematical Physics

Mechanics Maths

Discrete Mathematics

Logic and Functions

Decision Maths

Probability and Statistics

Study anywhere. Anytime. Across all devices.

Find the difference.1--8

Short Answer

Step by step solution

Step-1 – Apply the concept subtraction

Step-2 – Example for subtraction of numbers

Step-3 – Evaluate the difference

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Math Textbooks

Theoretical and Mathematical Physics

Mechanics Maths

Discrete Mathematics

Logic and Functions

Decision Maths

Probability and Statistics

Study anywhere. Anytime. Across all devices.

Find the difference.
$1 - (- 8)$