4.3(b) Example 2 (Logarithms)

Example 2
Solve the following equations:
(a)

{log}_{3} 5 x = 2

$\log_{3} 5 x = 2$
(b)

{log}_{x + 1} 81 = 2

$\log_{x + 1} 81 = 2$
(c)

{log}_{x} 5 x - 6 = 2

$\log_{x} 5 x - 6 = 2$