Respuesta :

Answer:

 -1.7x -3

Step-by-step explanation:

−4.2x+3 +2.5x−6

I like to line them  vertically

−4.2x+3

 2.5x−6

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 -1.7x -3

Answer:

-1.7x -3

Step-by-step explanation:

I took the k12 test and I was correct