Respuesta :

Answer:

x=112 or x= 202/27 or x=382/27

Step-by-step explanation:

sorry not sure if the angles add up to 90 degrees or 180 or 360.

hope this helps!

please mark me as brainliest! thanks!

Answer: x= 12

Step-by-step explanation: These are vertical angles. Vertical angles are equal.

(15x-29)= (12x+7) subtract 12x from both sides. 3x-29 = 7. Add 29 to both sides. 3x = 36. Divide both sides by 3. x= 12