Tuesday 28 March 2017

LOGARITHMS 4


If log9(2x + 33)=2; find x.

   Solution

Log9(2x + 33)=2

(2x + 33)=92           
                                            
2x + 33=81

2x =81 – 33

2x = 48

2x =   48   
2        2

x = 24

Hence x = 24


TRY THIS………………



If log7(2t - 39)=2; find t

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