Japanese | A Nice Exponential Algebra Problem | 4^x + 4^x = 30 , x = ?

[@RyanLewis-Johnson-wq6xs]

4^x+4^x=30 x=(1/2)(Log[2,5]+Log[2,3])=Log[4,3.75]+1

[@edstudio6181]

It’s my cat’s birthday 🎉🎉

[@THyperon]

x = log15/log4 = 1.953 ... everybody has a calculator, why all these boring transformings?