Respuesta :

ujoy64

Answer:

-7x - 18

Step-by-step explanation:

-4x - 10 - 3x - 8 = - 7x - 18

Answer:

Step-by-step explanation:

BC = BD + DC

8x = 4x + 10 + 3x +8

8x = 4x + 3x + 10 +8

8x = 7x +  18

8x - 7x = 18

x = 18

BC = 8x = 8*18 = 144 units