Respuesta :

peduzziemily

Answer:

x = 31

Step-by-step explanation:

13 + 6 + 2x - 18 = 4x - 29

1 + 2x = 4x - 29

30 + 2x = 4x

30 = 2x

15 = x

4(15) - 29

60 - 29

31 is the unknown measurement