Respuesta :

Answer:

x= 0.4

Step-by-step explanation:

-9x+0.4= 4

Subtract to both sides.

-9x+0.4= 4.0

     -0.4  -0.4

Divide to both sides.

-9x= 3.6

9       9

x= 0.4

Answer:

-0.4

Step-by-step explanation:

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