19-01-2017
Mathematics

contestada

r/3 = 7

what is r ? Can you show the steps to getting the answer. How do you check that you are correct.

Respuesta :

melaniex melaniex

19-01-2017

R=21. 21/3=7. To check your answer, you can do 7x3 and it'll equal 21.

Answer Link

19-01-2017

Are you just trying to isolate the r?

If so.... r/3 = 7
Multiply 3 on both sides to clear the denominator
3(r/3) = 7(3)
3 = 21

CHECK
21/3 = 7

Answer Link

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