Respuesta :

Answer: 3x+2

Step-by-step explanation:

(x-5) + ( 2x + 7)

x−5+2x+7

(x+2x)+(−5+7)

3x+2

Answer:

x+2x-5+7.        x+2x=3x.   and -5+7=2

3x+2

Step-by-step explanation: