Question 1204178
{{{12 = (1/32) * x ^ (3/2) - 4}}}


multiply by 32



{{{12*32= x^(3/2)-128}}}



{{{384+128= x^(3/2)}}}



{{{512= x^(3/2)}}

{{{512^2= x^3}}}

8^6 =x^3

Take cube  root

x=64

CHECK 

{{{ (1/32) * x ^ (3/2) - 4}}}




{{{ (1/32) * 64^ (3/2) - 4}}}= 12