Question 535479
{{{(z/4-5)^2/3 = 1/25}}}
Multiply by 3
{{{(z/4-5)^2 = 3/25}}}
Take the sqrt
{{{z/4 - 5 = sqrt(3)/5}}}
Multiply by 4
{{{z - 20 = 4sqrt(3)/5}}}
{{{z = 20 + 4sqrt(3)/5}}}