Question

Solve for x:
3^x-1 = 27

Answer 1

3^x-1 = 3^3
hence x-1=3
or x=1+3
or x=4

Answer 2

What about ln x - ln 5 = 0

Answer 3

ln x =ln 5
or x=5

Answer 4

Solve the exponential eq. Algebraically. Round your result to three decimal places:
10^x = 570