Respuesta :

Answer:

Last option: x = -5

Step-by-step explanation:

-3x + 25 = 40

-3x = 40 - 25

-3x = 15

3x = -15

x = -5

Answer:

x= -5

Step-by-step explanation:

-3x+25=40

subtract 25 from both sides

-3x=15

divide

x= -5