9r=6r + 21 what is the value of r ?
Answers
Answered by
3
Answer:
r=7
Step-by-step explanation:
9r=6r + 21
=> 9r - 6r = 21
=> 3r = 21
=> r = 7
Answered by
2
Answer:
7 is correct answer
Step-by-step explanation:
9r=6r+21
9r-6r=21
3r=21
r=7 ans.
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