Saturday 18 January 2014

LOGARITHMS B11

If log3(3x + 6)=3; find x

   Solution

log3(3x + 6)=3

 (3x + 6)=33   
                      
 3x + 6=27


3x = 27 – 6

3x =  21


3x =  21   
3        3

X = 7


Hence x = 7

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