201107032
201107032
14-12-2020
Mathematics
contestada
Please help overall easy
Respuesta :
faatimahmets
faatimahmets
14-12-2020
Answer:
x=2
Step-by-step explanation:
f(x)=6x+9
21=6x+9
21-9=6x
12=6x
12/6=x
2=x
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