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2/7 = x^24 // - x^24
2/7-x^24 = 0
-1*x^24 = -2/7 // : -1
x^24 = 2/7
x^24 = 2/7 // ^ 1/24
abs(x) = (2/7)^(1/24)
x = (2/7)^(1/24) or x = -(2/7)^(1/24)
x in { (2/7)^(1/24), -(2/7)^(1/24) }
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