Respuesta :
Answer:
r = 0
Step-by-step explanation:
28 = 4r + 28
0 = 4r (subtracted 28 from both sides)
r = 0 (divided 4 from both sides)
Answer:
r = 0
Step-by-step explanation:
28 = 4r + 28
0 = 4r (subtracted 28 from both sides)
r = 0 (divided 4 from both sides)