IsabellaVega
IsabellaVega IsabellaVega
  • 10-09-2014
  • Mathematics
contestada

Im in Algebra What is 
2r-6+5r=3-r+7

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Аноним Аноним
  • 10-09-2014
2r-6+5r=3-r+7

7r-6=10-r

7r+r=10+6

8r=16

r=16/8

r=2
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