e^(-X/2)=12

Question

do i bring the (-x/2) down by ln? how do i procede after that?
thanks

e^(-x/2) = 12
(-x/2) = ln12
-x = ln12 * 2
x = -(ln12 * 2)

can you a also help me with this one?
x^2ln(x)=ln(x)

thanks

x^2 = ln(x)/ln(x)
x^2 = 1
x = +/-1