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5 votes
6r + 7 = 13 + 7r
what is r?

1 Answer

10 votes

Answer:

6r + 7 = 13 + 7r

subtract 6r from both sides...

7 = 13 + r

subtract 13 from both sides...

-6 = r

r = -6

Explanation:

User Chila
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