Ask Question
15 November, 19:02

What is the solution 21=42-3r

+4
Answers (2)
  1. 15 November, 20:32
    0
    Answer: 21

    Step-by-step explanation:

    21=42-3r

    3r-42=21

    3r=21+42

    3r=63

    r=21
  2. 15 November, 21:18
    0
    Answer: - 7

    Step-by-step explanation:

    3r=21-42

    3r = - 21

    r = - 7
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “What is the solution 21=42-3r ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers