Respuesta :

Answer:

15

Step-by-step explanation:

x=2,z=6

2+6(4)-5-3(2)

2+24-5-6

26-11

15

Given : -

x = 2 & z = 3x

Solution : -

⇒x + 4z - 5 - 3x

⇒(2) + 4(6) - 5 - 3(2)

⇒2 + 24 - 5 - 6

⇒26 - 11

⇒15