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What is the solution 21=42-3r

What is the solution 21=42-3r
asked 76.1k views
3 votes
What is the solution 21=42-3r

asked
User Roman Artiukhin
by
7.6k points

2 Answers

2 votes

Answer: 21

Explanation:

21=42-3r

3r-42=21

3r=21+42

3r=63

r=21

answered
User Alioygur
by
8.4k points
4 votes

Answer: -7

Explanation:

3r=21-42

3r= -21

r= -7

answered
User Bikash Barman
by
8.2k points
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