SOLUTION: Solve the following logarithmic equations:
log3 (x-5)=2
5+log4 2x=7
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Question 172951: Solve the following logarithmic equations:
log3 (x-5)=2
5+log4 2x=7
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
Apply log rules.
The site gives you the basics:
http://www.purplemath.com/modules/logrules.htm
.
log3 (x-5)=2
x-5 = 3^2
x-5 = 9
x = 14
.
.
5+log4 2x=7
log4 2x=7-5
log4 2x=2
2x = 4^2
2x = 16
x = 8
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