Question

Can you please explain how I got it wrong and how to get it right (thank you)

Answer 1

X=42*.................

Answer 2

x = 42°

Explanation:

Since (3x+3) and 129 are corresponding angles, we can set them equal to one another and solve for x.

3x + 3 = 129

- 3 - 3

3x = 126

/3 / 3

x = 42°