8^2x-5=48.......?

82x-548

#1

8^2x-5=48

Answer:

If the equation is: 8^(2x) - 5 = 48 then…

8^2x = 53

2^6x = 53

ln(2^6x) = ln(53)

6x*ln(2) = ln(53)

x= [ln(53) / 6ln(2)] = 0.954653

–To check–

8^(2*0.954653) - 5 = 48

52.999909827278 -5= 48

47.999909827278 = 48