Question 20075
You have:

{{{x/2 + x/4 = 5}}} Start by adding the two fractions. The common denominator is 4.
{{{2x/4 + x/4 = 5}}}
{{{3x/4 = 5}}} Multiply both sides of the equation by 4.
{{{3x = 20}}} Divide both sides by 3.
{{{x = 20/3}}} 

x = 6 2/3 or 6.66...