It’s probably been 15 years since I last solved an equation like this. Don’t think I’ve done anything harder than arithmetic since then
27^4x=9^(x+1)
4x log 27=(x+1) log 9
4x log 3^3 = (x+1) log 3^2
4x*3 log 3 = (x+1) * 2 log 3
12x=2x+2
10x=2
x=0.2

