Let x be the Jeff's age; then the Gerald age is (x+2) years. From the condition, x + (x+2) = 64. It gives 2x = 64 - 2 = 62 x = 62/2 = 31. ANSWER. Jeff is 31 years old. Gerald is 31+2 = 33 years old. CHECK. The total age is 31 + 33 = 64 years. ! Correct !