Respuesta :

X=50 why? Because it’s 1 half of the triangle! Your welcome hope you do good

Answer:

x = 3

Step-by-step explanation:

45x =25x + 57 + x

Combine like-terms:

45x = 26x + 57

Subtract 26x on both sides

19x = 57

Divide by 19

x = 3