Help explain how to do this pls | r+6 | + 8 =22

QAmmunity.org

My account
Edit my Profile
Private messages
My favorites

Ask a Question
Questions
Tags
Categories
Ask a Question

Sootsnoot asked Oct 11, 2022

289,954 views

32 votes

Help explain how to do this pls
| r+6 | + 8 =22

Mathematics
college

Sootsnoot asked Oct 11, 2022

by Sootsnoot

3.1k points

0 Comments

Your comment on this question:

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Your answer

Email me at this address if my answer is selected or commented on:Email me if my answer is selected or commented on

Privacy: Your email address will only be used for sending these notifications.

2 Answers

22 votes

Explanation:

$|r + 6| + 8 = 22 \\ r + 6 = 14 \\ r = 8$

Datps answered Oct 12, 2022

by Datps

2.9k points

0 Comments

Your comment on this answer:

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

5 votes

Answer:

$r\in\{-20, 8\}$

Explanation:

$| r+6 | + 8 =22 \iff | r+6 | = 14$

Note, once we are working with absolute value, then

|14| = |-14| = 14

Therefore, we have two solutions for

Thus,

$r + 6 = -14 \implies r = -20$

$r + 6 = 14 \implies r = 8$

Vincente answered Oct 15, 2022

by Vincente

2.9k points

0 Comments

Your comment on this answer:

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Ask a Question

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers

0 Comments

Your comment on this question:

Your answer

2 Answers

0 Comments

Your comment on this answer:

0 Comments

Your comment on this answer:

Other Questions