Solve log x 4

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If you're seeing this message, it means we're having trouble loading external resources on our website. To log in and use all the features of Khan Academy, please enable JavaScript in your browser. Search for courses, skills, and videos. Solving exponential equations with logarithms. The key to solving exponential equations lies in logarithms! Let's take a closer look by working through some examples. And just like that we have solved the equation!

Solve log x 4

We think you have liked this presentation. If you wish to download it, please recommend it to your friends in any social system. Share buttons are a little bit lower. Thank you! Published by Alisha Patterson Modified over 7 years ago. Property of equality for logarithmic equations Subtract x from each side. Add 7 to each side. Divide each side by 3. The solution is 4. Write original equation. Substitute 4 for x.

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If you're seeing this message, it means we're having trouble loading external resources on our website. To log in and use all the features of Khan Academy, please enable JavaScript in your browser. Donate Log in Sign up Search for courses, skills, and videos. Solving exponential equations with logarithms. The key to solving exponential equations lies in logarithms!

This log calculator logarithm calculator allows you to calculate the logarithm of a positive real number with a chosen base positive, not equal to 1. Regardless of whether you are looking for a natural logarithm, log base 2, or log base 10, this tool will solve your problem. Read on to get a better understanding of the logarithm formula and the rules you need to follow. Besides, you might find some fascinating information, such as why logarithms are essential in our lives and where they are applied. If you are also searching for other useful math calculators, do not hesitate to take a look at our cube root calculator , which enables you to calculate not only the cube root but also roots to any degree. Prefer watching over reading? Learn all you need in 90 seconds with this video we made for you :. A logarithmic function is an inverse of the exponential function.

Solve log x 4

Last Updated: October 5, Fact Checked. This article was reviewed by Grace Imson, MA. Grace Imson is a math teacher with over 40 years of teaching experience. She has taught math at the elementary, middle, high school, and college levels. This article has been fact-checked, ensuring the accuracy of any cited facts and confirming the authority of its sources.

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