Wednesday 5 June 2013

LOGARITHMIC EQUATIONS - 3




If log8(4x - 48)=1; find x

                                 Solution

log8(4x - 48)=1
 (4x - 48)=81

 4x - 48=8

4x = 8 + 48

4x =56

4x = 56   
4        4

x = 14

Hence x = 14                    


 

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