anayrs
anayrs anayrs
  • 11-12-2020
  • Mathematics
contestada

Solve for brainliest

Solve for brainliest class=

Respuesta :

LuckDLads
LuckDLads LuckDLads
  • 11-12-2020

Answer:

3 and 6

Step-by-step explanation:

1.) 4r=12

r=3

2.) 4r+3=r+21

3r+3=21

3r=18

r=6

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