Solve 21+ 2f = 9f f = ...

QAmmunity.org

My account
Edit my Profile
Private messages
My favorites

Ask a Question
Questions
Tags
Categories
Ask a Question

JMDE asked Sep 10, 2023

114,394 views

41 votes

Solve 21+ 2f = 9f
f = ...

Mathematics
college

JMDE asked Sep 10, 2023

by JMDE

3.2k 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

25 votes

Answer:

f = 3

Explanation:

Solve 21+ 2f = 9f

f = ...

21+ 2f = 9f

21 = 7f

f = 21 : 7

f = 3

------------------

check

21 + 2 * 3 = 9 * 3 (remember PEMDAS)

21 + 6 = 27

27 = 27

the answer is good

Rich Sadowsky answered Sep 13, 2023

by Rich Sadowsky

2.5k 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.

21 votes

Answer:

f=3

Explanation:

21+2f=9f

-21. -21

______

2f=9f-21

-9f. -9f

______

-7f= -21

÷-7 ÷-7

______

f=3

Mehdi Mohammadpour answered Sep 15, 2023

by Mehdi Mohammadpour

3.6k 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

f = 3

0 Comments

Your comment on this answer:

0 Comments

Your comment on this answer:

Other Questions