Help me please, I'm desperate!

Given:

m∠BAD = 129°

m∠BAC = (2x −1)°

m∠CAD = (3x + 5)°


Part A: Using the angle addition postulate, write and solve an equation for x. Show all your work. (6 points)


Part B: Find the m∠BAC. Show all your work. (4 points)