Segment addition!! Help please 10 point!

Answer:
x = 2
KJ = 12
KI = 23
Step-by-step explanation:
KJ + JI = 12x - 1
5x + 2 + 11 = 12x - 1
5x + 13 = 12x - 1
5x - 12 x = - 1 - 13
-7x = - 14
x = - 14/-7
x = 2
KJ = 5x + 2 = 5*2 + 2 = 10 + 2
KJ = 12
KI = 12 + 11
KI = 23