hello :
let three consecutive odd integers : (2n+1) , (2n+3) ,(2n+5)
(2n+1)+ (2n+3)+(2n+5) = 51
6n + 9 = 51
6n = 45
n = 42/6
n = 7
if n = 7 : 2(7)+1 = 15
: 2(7) +3 =17
: 2(7) +5 = 19
three consecutive odd integers with a sum of 51 are: 15 , 17 , 19
15+17+19 =