Respuesta :

Answer:
20
Explanation:
x + 5 = 3x -5 ( add 5 both sides)
x + 10 = 3x (subtract x on both sides)
10 = 2x
5 = x

Substitute into equation
x + 5 + 3x - 5
(5) + 5 + 3(5) - 5
10 + 15 - 5
20

Hope this helps!