(x + 5)^(2/3) = 4 x + 5 = √64 {took both sides to the 3/2 power, that means to take to the third then do square root} x + 5 = ±8 {evaluated square root of 64} x = 5 ± 8 {subtracted 5 from both sides} x = 3 or  13 {evaluated the ± sign} © Algebra House
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