Respuesta :

kaseyafa

Answer:

x = 36, x = 100

Step-by-step explanation:

1. x + 4x = 180

5x = 180

/5      /5

x = 36

2. x + x - 20 = 180

2x - 20 = 180

     + 20  + 20

2x = 200

/2      /2

x = 100