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serious [3.7K]
2 years ago
13

Algebra- pls help ;-; will mark brainliest

Mathematics
2 answers:
Pavlova-9 [17]2 years ago
7 0

Answer:

The solution is correct.

Sergio [31]2 years ago
6 0

Answer:

r = 9 is the correct solution..

the error was in the 2nd line where it should be -10+2r=8 instead of -10-2r=8

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