willia489
willia489
04-10-2020
Mathematics
contestada
twice a number, decreased by 9 is 12
Respuesta :
annaasif33
annaasif33
04-10-2020
Answer:
10.5
Step-by-step explanation:
Answer Link
ijateguzo
ijateguzo
04-10-2020
Answer:
10.5
Step-by-step explanation:
2x-9=12
2x=12+9
2x=21
x=21/2
x=10.5
Answer Link
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