12. The sum of three consecutive integers is 12 more than twice the largest integer. Which of the following
equations could be used to find the three integers?
(1) n+n+1+n+2 = 2n +2+12
(2) n+n+2+n+4 = 2(n + 4)+12
(3) n+n+1+n+3 = 2n +3+12
(4) n+n+1+n+2 = 2(n + 2) +12
