If you have the original tires your yellow sticker will be the correct pressure for your tires at the GVWR. If they are “under inflated” it might mean that you are over loaded - although this is unusual for front tires. Increasing the pressure to 100 won’t hurt anything except maybe the ride comfort but it might not help either. You need to find out why the tires are wearing on the edges. And do get your alignment checked if you’ve never done so.
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