Those machines won't do any leveling that will be noticeable. If there's a good base of soil, and you definitely want a lawn, then working the soil with a rototiller, leveling, rolling and reseeding, or putting down sod is one solution. If the ground is rocky, then you might want to consider using a natural landscape where you encourage native plants that are already there and work in some stone or paver walkways to make it interesting.
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