mreynoso17 mreynoso17
  • 19-03-2020
  • Mathematics
contestada

solve for a 7a + 2a + a − 9a = 20

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 19-03-2020

Answer:

a = 20

Step-by-step explanation:

7a + 2a + a − 9a = 20

Combine like terms

10a -9a = 20

a =20

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