Respuesta :

Answer:

3.2 and -0.75

Step-by-step explanation:

5x - 4 > 12

add 4 to the both sides

5x > 12 + 4

5x > 16

divide both sides by 5

x > 16/5

x > 3.2

12x + 5< -4

subtract 5 from both sides

12x < -9

divide both sides by 12

x < -0.75