# How do you solve #40 / (1+e^(-2x)) = 8#?

##### 1 Answer

#### Answer:

When solving a complicated equation, try and undo all the things being done to the variable, and in the reverse order!

#### Explanation:

In this case, multiply through by the denominator and get

Now isolate the

This means that you get

I left out a couple of steps near the end to make you think!