what is logx=4-x asking for a solution
X is approximately 2.93. Solve for ln(x) = 4-x and then use iteration
ln(x) = 4-x
x = e^(4-x) = (e^4) /(e^x)
x( e^x) = e^4 = 54.6 approx
For the iteration x(e^x) = 54.6 I started with x= 2 and homed in on it from there.