Question 199022
(5x over x+1) + (1 over x) = 5 
{{{5x/(x+1) + 1/x = 5}}}
Multiply both sides by x(x+1):
{{{5x^2 + (x+1) = 5x(x+1)}}}
{{{5x^2 + x + 1 = 5x^2 + 5x}}}
{{{x + 1 = 5x}}}
{{{1 = 4x}}}
{{{1/4 = x}}}