Answer :
suppose the smallest odd integer is n, the next one is then n+2, and the third one is n+4
7n+2(n+4)=-91
7n+2n+8=-91
9n=-99
n=-11
so the three odd integers are -11,-9,-7
7n+2(n+4)=-91
7n+2n+8=-91
9n=-99
n=-11
so the three odd integers are -11,-9,-7