Question

0.6=( x^3/(x^3+(1-x^3))

Answer 1

$0.6 = \frac{ {x}^{3} }{ {x}^{3} } + 1 - {x}^{3} \\ 0.6 = 1 + 1 - {x}^{3} \\ {x}^{3} = 1.4 \\ x = 1.19$