Respuesta :

Step-by-step explanation:

that just means that the sum of both line segments must be the same as the length of the whole line.

4x - 10 + x + 2 = 27

5x - 8 = 27

5x = 35

x = 7

so,

AB = 4×7 - 10 = 28 - 10 = 18

BC = 7 + 2 = 9