A single variable calculator. You need to have two sides of the equal sign, and you can put as many x's as you want. You have to separate the variables from the numbers with an *, or else it will pop up with an error, and no spaces. Other than that, it's pretty easy.
So, the way I designed this was I made it so that it goes through every value of x until the equation is true, but I think I messed it up a while ago. I can try to revert it to its original state, where it is much easier to understand. And you also had to put double equals signs