# Exponential equations

Not what you're looking for?

Solve for x:

10^x + 6(10^-x) = 7

and also:

3^3x+2 * 8^-x = 4

##### Purchase this Solution

##### Solution Summary

This shows how to solve exponential equations.

##### Solution Preview

To simplify the problem,

let 10^x = y and 10^-x = 1/y

Therefore, equation becomes: y + 6 (1/y) = 7

Using a as a common denominator: ...

##### Purchase this Solution

##### Free BrainMass Quizzes

##### Know Your Linear Equations

Each question is a choice-summary multiple choice question that will present you with a linear equation and then make 4 statements about that equation. You must determine which of the 4 statements are true (if any) in regards to the equation.

##### Probability Quiz

Some questions on probability

##### Exponential Expressions

In this quiz, you will have a chance to practice basic terminology of exponential expressions and how to evaluate them.

##### Multiplying Complex Numbers

This is a short quiz to check your understanding of multiplication of complex numbers in rectangular form.

##### Solving quadratic inequalities

This quiz test you on how well you are familiar with solving quadratic inequalities.