Question 40452
{{{(2/(x + 4)) + (9/(5x + 20))}}}
{{{(2/(x + 4)) + (9/(5(x + 4)))}}}
{{{(5(2)/(5(x + 4))) + (9/(5(x + 4)))}}}
{{{(10/(5(x + 4))) + (9/(5(x + 4)))}}}
{{{(10 + 9)/(5(x + 4)))}}}
{{{(19)/(5x + 20)))}}}