makaylareed7ougaa3 makaylareed7ougaa3
  • 25-08-2017
  • Mathematics
contestada

-3|r+4|=-21 need help for a friend

Respuesta :

rojenshakya201ov6iw9
rojenshakya201ov6iw9 rojenshakya201ov6iw9
  • 25-08-2017
ans given below

-3r-12=-21
-3r=-21+12
-3r=-9
r=-9\-3
r=3
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