Register

Solve for r. 21 = 42 - 3r A. r = -8 B. r = -7 C. r = 7 D. r = 8

Solve for r. 21 = 42 - 3r A. r = -8 B. r = -7 C. r = 7 D. r = 8
147k views
16 votes
Solve for r.

21 = 42 - 3r

A. r = -8

B. r = -7

C. r = 7

D. r = 8

User Lazer
by
8.5k points

2 Answers

2 votes

Answer:

-7

Explanation:

User Jorge Ramos
by
8.8k points
7 votes

Answer:7

Explanation:

21=42-3r

21-42=3r

-21=3r

r=7

User Jayakumar Thangavel
by
8.2k points
← Prev Question Next Question →

No related questions found

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

9.4m questions

12.2m answers

Categories

Other Questions

How do you can you solve this problem 37 + y = 87; y =
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Link Copied!