ewidetrack
ewidetrack ewidetrack
  • 24-06-2020
  • Mathematics
contestada

Find the value of expression 21-2a if a =3

Respuesta :

ZJSG09112007
ZJSG09112007 ZJSG09112007
  • 24-06-2020

Answer:

15

Step-by-step explanation:

[tex]21-2a \\a =3\\21 -2(3)\\21-6\\15[/tex]

Answer Link
aayatalawi1 aayatalawi1
  • 17-12-2020

Answer:

Step-by-step explanation:

15 im sure

Answer Link

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