Respuesta :

Qwerty1956

Answer:

12.2+(-5a)

Step-by-step explanation:

8+4a+6.2-9a

=(8+6.2)+(4a-9a)

=12.2+(-5a)

wegnerkolmp2741o

Answer:

14.2 -5a

Step-by-step explanation:

8+4a+6.2-9a

Combine like terms

8+6.2    +4a-9a

14.2    -5a

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