I'm trying to make my first animation, and here's the problem:

I made 2 location keyframes for a cube, and on the final keyframe I moved the cube to one side. Everytime I change the position of the animation, the cube moves back to its original position for all keyframes.

Help would be greatly appreciated

you need to keyframe the initial position, change time slider, then move / rotate / scale the cube, keyframe the new position

you may enable auto-keying, so that it saves all tweaks and you don't have to keyframe manually
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