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alina1380 [7]
3 years ago
14

12=r+6-2r so what is r

Mathematics
1 answer:
svlad2 [7]3 years ago
6 0
R is -6.
12 = -r +6
12 = 6 - r
12 - 6 = -r
6 = -r
r = -6
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