Respuesta :

Answer:

-2x+1

Step-by-step explanation:

In this, you can only add like terms. Like terms would be x and -3x or -7 and 8.

(x-3x)+(-7+8)=-2x+1

Answer:

The answer is (-2x – 15)

Step-by-step explanation:

(x – 7) – (3x + 8)

x – 7 – 3x – 8

-2x – 15

Thus, The answer is (-2x – 15)

-TheUnknownScientist 72