SOLUTION: Explain how to solve an exponential equation when both sides cannot be written as a power of the same base. Use 3X= 140 in your equation. Thanks.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Explain how to solve an exponential equation when both sides cannot be written as a power of the same base. Use 3X= 140 in your equation. Thanks.      Log On


   

Question 762010: Explain how to solve an exponential equation when both sides cannot be written as a power of the same base. Use 3X= 140 in your equation.
Thanks.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Explain how to solve an exponential equation when both sides cannot be written as a power of the same base. Use 3X= 140 in your equation.
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3x = 140
x = 140/3
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If you mean
3^x = 140
x*log(3) = log(140)
x = log(140)/log(3)