Logarithmic Equations - How to Solve

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Learn how to Solve Log Equations in this free math video tutorial by Mario's Math Tutoring. Also remember to check for extraneous solutions.

0:09 Example 1 Solve log base 2 (x-1) + 4 = 3
0:58 Watch for Extraneous Roots and How to Check
1:29 Example 2 Using 1 to 1 Property of Logs to Solve
2:28 Example 3 Using Product Property of Logs to Simplify First

Related Videos:

Logs Everything You Need to Know

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in #1 Why did you subtract '-4' for from both sides ?

MalikRockie
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Mario...you said 2 to the negative 4th power (first equation) was 1/2, not 1/16.
Am I missing a step here?

andredelmontdelmont