Question

Solve x for: 3x+1/x+1 + x+1/3x+1 = 5/2,
x is not = -1, -1/3
Please answer fast the fastest and the correct answer will get the highest points(brainy)

Answer 1

Answer:

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Answer 2

$\frac{3x + 1}{ x + 1} + \frac{ x + 1}{3x + 1} = \frac{5}{2} \\ \frac{(3x + 1) {}^{2} + (x + 1) {}^{2} }{(x + 1)(3x + 1) } = \frac{5}{2} \\ \frac{9 {x}^{2} + 1 + 6x + x { + 1 + 2x}^{2} }{3x {}^{2} } = \frac{5}{2} \\ \frac{11x {}^{2} + 7x + 2 }{3x {}^{2} } = \frac{5}{2} \\ 22x {}^{2} + 14x + 4 = 15x {}^{2} \\ 7x {}^{2} + 14x + 4 = 0$