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  • 18-05-2020
  • Mathematics
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Аноним Аноним
  • 18-05-2020

Answer:

r=20

Step-by-step explanation:

to get rid of the division part, you multiply 6 each side. now you have r+10=30. to solve, now you subtract 10 from both sides. this gives you r=20 :)

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