Solve for exponent using log

How to solve for exponents. For x n = y; solve for n by taking the log of both sides of the equation: For: x n = y. Take the log of both sides: log x n = log y. By identity we get: n โ‹… log x = log y. Dividing both sides by log x:

Decide math equation

Understanding Logarithmic Functions

Deal with mathematic questions

Get arithmetic help online

Looking for a little arithmetic help? Check out our online resources for a great way to brush up on your skills.

Decide math tasks


If you're struggling with your homework, our Homework Help Solutions can help you get back on track.

Explain math equation

Expert instructors will give you an answer in real-time

Looking for someone to help with your homework? We can provide expert homework writing help on any subject.

Decide mathematic equation

Instant Expert Tutoring

Get Help

Get math help online

Work on the task that is attractive to you

Figure out mathematic question

Solving Logarithmic Equations

5x + 2 = 4x Use the Exponent Product Rule in reverse 5x โ‹… 52 = 4x 5x โ‹… 25 = 4x 25 = 4x 5x Like Powers Rule 25 = (4 5)x Rewrite as a log equation x = log4 5(25) Now use the
Get Started



I rate this 5 stars because of how fast it answer the math problems even when the problems is very hard, would recommend it to everyone out there. Only downside is not being able to see the steps unless you have a monthly subscription.

Deal with math tasks

Isiah Scott

Determine math questions

The only reason why i passed algebra this year, simple to use and gives multiple forms of the answers (simplified etc). Also it asks which way u want a problem to be solved that way u can see how its done, i really don't know what I'd do without this amazing app. I don't know math that well, now I'm getting better everyday.

Deal with mathematic problem

Chad Obrien

Exponential Equations

Solve the exponential equation {5^{2x}} = 21. The good thing about this equation is that the

  • Determine math problems
    Have more time for your recreation

    If you're looking for a tutor who can help you with any subject, look no further than Instant Expert Tutoring.

  • Clarify math equation
    Enhance your academic performance

    Don't suffer through your problems alone, help is always available.

  • Determine mathematic equation
    Solve math equations

    If you want to enhance your academic performance, start by setting realistic goals and working towards them diligently.

  • Learn
    Fast Delivery

    If you're looking for an expert opinion on something, our instructors are always available to give you an answer in real-time.