Angle 1 and angle 4 are corresponding angles, meaning that they are in the same relative position on their line.
Corresponding angles are congruent, which means angles 1 and 4 are congruent (equal to each other).
Angle 1 = Angle 4
74 = 3x - 18
92 = 3x
x = [tex]30 \frac{2}{3}[/tex]
---Rounded to the nearest tenth: 30.7
---Rounded to the nearest hundredth: 30.67
---Rounded to the nearest thousandth: 30.667
Hope this helps!
