Respuesta :

rheadas1246

Answer:

x=30°

Step-by-step explanation:

Angles 4x and 2x are supplementary, so 4x+2x must be equal to 180°.

Therefore, to solve this problem, we must use the equation, "4x+2x=180°.

4x+2x=180

6x=180

x=30°

I hope this helps.