Solve $(y^2 - 4)/3 = 20$.

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Solve $(y^2 - 4)/3 = 20$ .

A-5, 5

B-8, 8

C-6, 6

D-3, 3

Answer:

$(y^2 - 4)/3 = 20$

⇒ $y^2 - 4 = 60$

⇒ $y^2 = 60 + 4$

⇒ $y = -8 and 8$

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