Respuesta :

fatemehkorea

Answer:

x = 12

Step-by-step explanation:

  • (10x - 20)° and (6x + 8)° are on the straight angle and they are both equal 180°

to find the value of x:

10x - 20 + 6x + 8 = 180

10x + 6x = 180 + 20 - 8

16x = 192

x = 192/16

x = 12