anayrs
anayrs
11-12-2020
Mathematics
contestada
Solve for brainliest
Respuesta :
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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