Respuesta :

r= -4s + 12... :) hope this helps!
Answer: r = -4s + 12

2r + 8s = 24             Subtract 8s from both sides
2r = 24 - 8s             Divide by 2 to both sides
r = 12 - 4s                Answer!
r = -4s + 12              Answer!

The last two steps are both correct. However, r = -4s + 12 is more proper.
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