Question 1044089
Do you mean:find the value of x in
a.log[2]x=5
b.log[4]2=x
If this is what you mean to ask,here is the solution
In question a,
{{{x=2^5}}}
x=32. 
In b,
{{{2^x=4}}}
{{{2^x=2^2}}}
x=2