If the tent can't be split (example: a single wall tent), then one person carries the tent (figure a 3 lb. tent, 1.5 lbs per person) and the second person carries 1.5 lbs. of the first person's gear. There's more than one way to skin a cat even up the loads!

Just to reinforce finallyMe's warning, please don't buy a tent with fiberglass poles! They have a nasty habit of breaking under stress.
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May your trails be crooked, winding, lonesome, dangerous, leading to the most amazing view--E. Abbey