Question 392451
{{{x + 12 = 160/x}}}


Multiplying through by x,


{{{x^2 + 12x = 160}}}


{{{x^2 + 12x - 160 = 0}}}


Luckily, this factors as


{{{(x - 8)(x + 20) = 0}}}


x = 8, -20