2. Currently, Yamir is twice as old as Pato. In three years, the sum of their ages will be 30. If Pato's current age is represented by a, which of the following equations could be used to correctly solve for a?
(1) a + 2a + 3 = 30
.(2) a + 2a +6 = 30
(3) (a +3)+2(a +3) = 30
(4) a +2(a +6)= 30

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