It possibly needs re-stating that you're not trying to get all four wheels to show an equal weight. If you have a front or rear weight bias, no amount of corner balancing is going to change that.
Instead, the idea is to get the sum of the weights of the diagonal wheels to be equal i.e. LF + RR = RF + LR.
As Pat just said, it isn't rocket science, but it can be frustrating and you'll be surprised how little adjustment you need to make a big difference to the registered weight.
Get your ride height and tyre pressures set first though before you start messing around with the corner weights.
You really need to have all four wheels on the scales at the same time i.e. one under each wheel. You can't just weigh one corner at a time because you'll chase your tail forever.
Paul