Respuesta :

Answer:

[tex]x = 40 [/tex]

Step-by-step explanation:

[tex]x + x + 100 = 180 \\ 2x = 80 \\ x = 40 [/tex]

100+80=180 ( it should be 180 degrees)
80/2=40. (Divide by 2 because there is 2 missing X’s)
X=40