SOLUTION: Solve for t 10^(7t) = 18^(2t-5)

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: Solve for t 10^(7t) = 18^(2t-5)      Log On


   

Question 683960: Solve for t
10^(7t) = 18^(2t-5)
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
Solve for t
10^(7t) = 18^(2t-5)
7tlog10=(2t-5)log18
7t/2t-5=log18/log10≈1.2553
7t=1.2553(2t-5)=2.5105t-6.2764
7t-2.5105t=-6.2764
4.4894t=-6.2764
t≈-6.2764/4.4894
t≈-1.3980