Respuesta :

SmartHelper57

Answer:

r is 19

Step-by-step explanation:

-4 - 20 = -24

-24 - r = -5

r = 19

jluxton16ca

Answer:

r=1/20

Step-by-step explanation:

-5=-4-20r    (+4 both sides)

-1=-20r       (times -1 both sides)

1=20r       (divide by 20)

1/20=r