Tuesday, August 13, 2013

Solve for x: 3*4^(x+1)-2=19


3%2A4%5E%28x%2B1%29-2=19 
3%2A4%5E%28x%2B1%29-2%2B2=19%2B2
%283%2A4%5E%28x%2B1%29%29%2F3=21%2F3
4%5E%28x%2B1%29=7 
log%284%2C4%5E%28x%2B1%29%29=log%284%2C7%29 
x=log%284%2C7%29-1 

:)
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