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Solving a Logarithmic Equation with Multiple Logs - Problem 4

Teacher/Instructor Alissa Fong
Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

One strategy for solving equations with multiple logs is to get them on the same side of the equation and combine them into one single log. From there, if you have log x=log y, then x = y and you can solve. Don't forget to check for extraneous solutions: whatever you put into a log function must be greater than zero!

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