Question 510697
Let's see! 
{{{P = 11/2n +22}}} I assume that you want to solve for n! Subtract 22 from both sides.
{{{P-22 = 11/2n}}} Multiply both sides by 2n.
{{{2n(P-22) = 11}}} Distribute the 2 on the left side.
{{{n(2P-44) = 11}}} Finally, divide both sides by (2P-44).
{{{n = 11/(2P-44)}}}