\log_{4} x + \log_{4} (x+5) = 6
log(4)x + log(4)(x + 5) = 6log(4)x + log(4)x + log(20) = 6 log(8)x + log(20) = 6 - log(20) - log(20) log(8)x = 6 - log(20) log(8) log(8) x ≈ 0.999