Undefined variable

[MM_10038696]

Hello, I need to compare two functions F1 and F2 to get get the variable x, but im new and having trouble with it. Could someone help me. Thank you

[VladimirN]

Here's a tip:

[MM_10038696]

But it doesn't let me put an equal sign between F1(x) and F2(x), saying that x is undefined

[VladimirN · Accepted solution]

You need to use the boolean operator "Equal".

[MM_10038696]

Thank you so much!

[VladimirN]

You're welcome.