Respuesta :

9r=3r+6
Subtract 3r from both sides
6r=6
Divide both sides by 6
r=1
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Answer:

r=1

Step-by-step explanation:

9r=3r+6  

-3r -3r

6r=6

/6  /6

r=1

Check your answer:

9(1)=3(1)+6

9=9 ✔️

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