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Logarithmic equations and examples

Answer Text:
Logarithmic equations and expressions can be solved using laws of logarithm.

Example 1.
Solve for x.
#Log_3 81 = x#

Example 2.
#Solve log_6 2#

Example 3.
Solve
#(log_10 x)^2 = 3 – log_10 x^2#