Can you substitute numbers for the letters in these equations?

tea cup hip joint. foot. father and son. pig. huts.

TEA+SEA=EAT, TOO+TIP=HIP, TOE+HO=THE, GOT+SUP=HUG, PIG+SO=PEG, HIT+TO=HUT.

Did you know? Mathematical problems in which you replace digits with letters that make words or even phrases are called CRYPTARITHMS.