Relax

Respuesta :

Answer:

D. 5

Step-by-step explanation:

2x - 6 + 1 + x - 4 = 18

3x - 9 = 18

3x = 27

x = 9

RS = x - 4 = 9 - 4 = 5

Answer: D. 5

The answer is D 5 I had it on my test