amypoo amypoo
  • 14-11-2019
  • Mathematics
contestada

How do u solve -4r-11=4r+21

Respuesta :

NC10 NC10
  • 14-11-2019

Answer:

-4

Step-by-step explanation:

-4r-11=4r+21

-4r-4r=21+11

-8r=32

r=32/-8

r=-4

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