Respuesta :

dontmindme3

Answer:

The answer is 16x + 7

Step-by-step explanation:

First you want to add all of the like terms.

(8x + 10 + 12x + 7) - (4x+10)

20x + 17 - (4x + 10)

Now you want to subtract all of the like terms

16x + 7

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