Respuesta :

Answer:

x = -3

Step-by-step explanation:

5x + 15 = 0

subtract 15 on both sides

⇒ 5x + 15 - 15 = 0 - 15

⇒5x = -15

divide both sides by 5

⇒ [tex]\frac{5x}{5} = \frac{-15}{5}[/tex]

⇒x = -3