Respuesta :

moistkatana

Step-by-step explanation:

(x + 20)º and (4x - 5)º are supplementary angles, meaning the sum of their angles = 180º.

(x + 20) + (4x - 5) = 180

5x + 20 - 5 = 180

5x + 15 = 180

5x = 165

165/5 = 33

Answer: x = 33

TemperatureBig

Answer:

(4x-5)+(x+20)=180

5x+15=180

5x=165

x=33

Step-by-step explanation: